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IN	Integrated Data Store	1964	Network
MO	Model 204 Acquired Company	1965	Entity-Attribute-Value	Acquired Company
	IMS OLTP	1966	Hierarchical	OLTP
DB	DBOMP	1968	Hierarchical
PE	Peterlee Relational Test Vehicle	1970	Relational
	Express Acquired Company	1970	Array / Matrix	Acquired Company
GO	GOLD STAR	1970	—
	Adabas	1971	Network
TU	TurboImage	1972	—
SY	System R OLTP	1972	Relational	OLTP
	DMSII	1972	Network
	Reality Acquired Company	1973	Multi-Value, Relational	Acquired Company
	IDMS	1973	Network
RD	RDBMS	1974	Relational
	Mimer SQL	1974	Relational
	Ingres Acquired Company	1974	Relational	Acquired Company
	Oracle Multi-Model	1977	Document / XML, Graph, Key-Value, Relational, Triplestore / RDF	Multi-Model
	MaxDB OLTP	1977	Relational	OLTP
DI	DIRECT OLTP	1978	Relational	OLTP
	dBASE xBase	1979	Relational	xBase
MU	MUFFIN	1979	Relational
	Empress	1979	Relational
	ShareBase Acquired Company	1979	Relational	Acquired Company
	Teradata	1979	Document / XML, Graph, Relational
PI	PI Time-Series Acquired Company	1980	Hierarchical, Relational	Time-Series Acquired Company
	Informix Acquired Company	1980	Relational	Acquired Company
	DataEase Acquired Company OLTP	1981	Relational	Acquired Company OLTP
	R:BASE Acquired Company	1981	Relational	Acquired Company
SQ	SQL/DS	1981	Relational
GR	GRACE Abandoned	1981	Relational	Abandoned
EN	Encompass	1981	Relational
	Btrieve Acquired Company	1982	Network	Acquired Company
SY	System 1022	1983	Hierarchical
	AncelusDB	1983	Entity-Relationship
	Db2	1983	Document / XML, Relational
	Superbase	1983	Relational
	FoxPro xBase Acquired Company	1984	Relational	xBase Acquired Company
	FairCom DB	1984	—
	OpenEdge OLTP	1984	Relational	OLTP
	4D	1984	Relational
	SQLBase Acquired Company	1984	Relational	Acquired Company
	RaimaDB Time-Series	1984	Network, Relational	Time-Series
	/rdb Abandoned	1984	Relational	Abandoned
UN	UniVerse Acquired Company	1984	Multi-Value	Acquired Company
	Rdb/VMS Acquired Company	1984	Relational	Acquired Company
	InterBase Versioning Acquired Company	1984	Relational	Versioning Acquired Company
FL	FlashFiler Failed Company	1985	—	Failed Company
	FileMaker Acquired Company	1985	Relational	Acquired Company
	Tdbengine	1985	Relational
	CornerStone Acquired Company	1985	Relational	Acquired Company
	Paradox Acquired Company Abandoned	1985	Relational	Acquired Company Abandoned
	PostgreSQL OLTP	1986	Relational	OLTP
GA	Gamma OLAP Abandoned OLTP	1986	Relational	OLAP Abandoned OLTP
PR	PRISMA	1986	Relational
	Matisse OLTP	1986	Document / XML, Object-Oriented	OLTP
	GT.M Acquired Company OLTP NoSQL	1986	Key-Value	Acquired Company OLTP NoSQL
	GemStone/S	1986	Object-Oriented
	Adaptive Server Enterprise Acquired Company	1987	Relational	Acquired Company
	Transbase OLTP	1987	Relational	OLTP
	NonStop SQL Acquired Company OLTP	1987	Relational	Acquired Company OLTP
CO	CORAL	1988	—
	NoSQL Object Database Acquired Company NoSQL	1988	Object-Oriented	Acquired Company NoSQL
	SQL Server	1988	Relational
BU	Bubba Abandoned	1988	Object-Oriented	Abandoned
	ObjectStore Acquired Company	1988	Object-Oriented	Acquired Company
XP	XPRS	1988	—
	Supra Server SQL Acquired Company OLTP	1989	Relational	Acquired Company OLTP
	Strozzi NoSQL	1989	Relational
	Rasdaman	1989	Array / Matrix
	jBASE Acquired Company	1989	Multi-Value	Acquired Company
	AceDB Abandoned	1989	—	Abandoned
	Kappa Abandoned	1989	Relational	Abandoned
	PrimeBase OLTP	1990	Relational	OLTP
	Red Brick OLAP Acquired Company	1990	Relational	OLAP Acquired Company
	Linter	1990	Relational
	Objectivity/DB	1990	Object-Oriented
	O2 Failed Company	1990	Object-Oriented	Failed Company
	GDBM DBM	1990	Key-Value	DBM
	OpenBase SQL Failed Company	1991	Relational	Failed Company
	Approach Acquired Company Abandoned	1991	Relational	Acquired Company Abandoned
	UniSQL Acquired Company	1991	Relational	Acquired Company
	Illustra Acquired Company OLTP	1992	Relational	Acquired Company OLTP
	Access	1992	Relational
	Essbase OLAP Acquired Company	1992	Array / Matrix	OLAP Acquired Company
	SQL Anywhere Acquired Company	1992	Relational	Acquired Company
	IQ Acquired Company	1992	Relational	Acquired Company
	Visual FoxPro xBase	1992	Relational	xBase
	solidDB Acquired Company OLTP	1992	Relational	Acquired Company OLTP
	EyeDB Abandoned	1992	Object-Oriented	Abandoned
	Rosebase Failed Company	1992	Relational	Failed Company
	FastObjects Acquired Company	1993	Object-Oriented	Acquired Company
QU	Quickbase Abandoned	1993	Relational	Abandoned
	OpenQM Acquired Company	1993	Multi-Value	Acquired Company
	FrontBase OLTP	1993	Relational	OLTP
	Advantage Database Server xBase Acquired Company	1993	Relational	xBase Acquired Company
DA	DataBlitz OLTP	1993	Relational	OLTP
	Polyhedra Acquired Company	1994	Relational	Acquired Company
	Kubl Acquired Company	1994	Relational	Acquired Company
GA	Gadfly Abandoned	1994	Relational	Abandoned
CQ	CQL++ Failed Company	1994	Relational	Failed Company
	Just Logic/SQL OLTP	1994	Relational	OLTP
	DBMaker	1994	Relational
	Berkeley DB Acquired Company OLTP DBM	1994	Document / XML, Key-Value	Acquired Company OLTP DBM
	Mariposa	1994	Relational
	MySQL Acquired Company	1994	Relational	Acquired Company
	ODABA	1994	Object-Oriented
	HiRDB	1994	Document / XML, Relational
	mSQL	1994	Relational
EX	Extensible Storage Engine Abandoned	1994	Key-Value	Abandoned
PA	Paradise	1994	Object-Oriented
	picoSQL Abandoned	1995	Relational	Abandoned
	ConceptBase.cc	1995	Object-Oriented
SH	Shore Abandoned OLTP	1995	Object-Oriented	Abandoned OLTP
	YARD-SQL Failed Company	1996	Relational	Failed Company
	Beagle SQL Abandoned	1996	Relational	Abandoned
	Datascope	1996	Relational
	Jade OLTP	1996	Object-Oriented	OLTP
	Pervasive PSQL Acquired Company	1996	Key-Value, Relational	Acquired Company
TY	Typhoon Abandoned	1996	Relational	Abandoned
	Ovrimos Failed Company	1996	—	Failed Company
	TimesTen Acquired Company OLTP	1996	Relational	Acquired Company OLTP
CD	cdb Immutable	1996	Key-Value	Immutable
	FramerD	1996	Object-Oriented
	Predator	1996	Relational
	WakandaDB Failed Company	1996	Document / XML	Failed Company
	DBIX	1996	—
GN	GNU SQL Server	1997	Relational
	Derby Acquired Company Abandoned OLTP	1997	Relational	Acquired Company Abandoned OLTP
	Sesame	1997	Triplestore / RDF
	LEAP	1997	Relational
	Caché	1997	Array / Matrix
	InstantDB Failed Company	1997	Relational	Failed Company
	Vespa Search Engine AI-Assisted	1997	Document / XML	Search Engine AI-Assisted
XD	XDB Enterprise Server Acquired Company	1998	Relational	Acquired Company
	Kdb+ Acquired Company	1998	Relational	Acquired Company
	Resin Cache Cache Middleware	1998	Key-Value	Cache Middleware
	Valentina Database OLTP	1998	Relational	OLTP
	Virtuoso	1998	Relational
	DeviceSQL Streaming	1998	Relational	Streaming
MD	MDBMS	1998	Relational
	PointBase Acquired Company	1998	Relational	Acquired Company
	Mckoi SQL Database Abandoned Failed Company	1998	Relational	Abandoned Failed Company
	Lucene Search Engine MMAP AI-Assisted	1999	Document / XML	Search Engine MMAP AI-Assisted
	Apollo xBase	1999	—	xBase
	Netezza OLAP Acquired Company	1999	Relational	OLAP Acquired Company
	Altibase OLTP	1999	Relational	OLTP
	Kingbase	1999	—
	Quadcap Embeddable Database Failed Company	1999	Relational	Failed Company
	Endeca OLAP Acquired Company	1999	Document / XML	OLAP Acquired Company
	Ultralite	1999	Relational
	D3 Acquired Company	1999	Relational	Acquired Company
	TinyDB Query Engine Peer-to-Peer	1999	Relational	Query Engine Peer-to-Peer
	db4o Acquired Company Abandoned	2000	Object-Oriented	Acquired Company Abandoned
	Exorbyte	2000	—
	P*TIME Acquired Company OLTP	2000	Relational	Acquired Company OLTP
	Coherence Cache Acquired Company	2000	Object-Oriented	Cache Acquired Company
	CubicWeb	2000	Graph
	eXist-db NoSQL AI-Assisted	2000	Document / XML	NoSQL AI-Assisted
	Tamino	2000	Document / XML
	1010data OLAP	2000	Relational	OLAP
	Firebird AI-Assisted	2000	Relational	AI-Assisted
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	OLAP Abandoned Failed Company
	Jena AI-Assisted	2000	Triplestore / RDF	AI-Assisted
	ITTIA DB Time-Series OLTP	2000	Relational	Time-Series OLTP
	GraphDB	2000	Triplestore / RDF
	SQLite OLTP	2000	Relational	OLTP
	XAP NoSQL	2000	Document / XML	NoSQL
	Exasol OLAP	2000	Relational	OLAP
	ThinkSQL Abandoned	2000	Relational	Abandoned
	FirstSQL/J Failed Company	2001	Relational	Failed Company
	HyperSQL	2001	Relational
	pocketSQL Abandoned	2001	Relational	Abandoned
	LocalSQL	2001	Relational
	eXtremeDB Cache Time-Series OLTP Middleware	2001	Column Family / Wide-Column, Entity-Relationship, Key-Value, Relational	Cache Time-Series OLTP Middleware
	YottaDB NoSQL	2001	Key-Value	NoSQL
	DittoBitto	2001	Relational
	Xapian Search Engine	2001	Document / XML	Search Engine
	Sphinx Search Engine	2001	Document / XML	Search Engine
	MarkLogic Acquired Company	2001	Document / XML, Triplestore / RDF	Acquired Company
	Ocelot Failed Company	2001	Relational	Failed Company
	Magma	2002	Object-Oriented
	Tanzu GemFire Cache Acquired Company NoSQL	2002	Key-Value	Cache Acquired Company NoSQL
	shsql	2002	Relational
	Axion Abandoned	2002	Relational	Abandoned
	MonetDB OLAP MMAP	2002	Column Family / Wide-Column	OLAP MMAP
	Splunk Acquired Company Search Engine	2002	Key-Value	Acquired Company Search Engine
	Mondrian OLAP Acquired Company	2002	Relational	OLAP Acquired Company
	InfinityDB	2002	Key-Value, Graph, Array / Matrix, Hierarchical, Relational
	ZODB	2002	Object-Oriented
	Sedna Abandoned	2003	Document / XML	Abandoned
	Streambase Acquired Company Streaming	2003	Relational	Acquired Company Streaming
	Daffodil DB Abandoned OLTP	2003	Relational	Abandoned OLTP
TI	tinySQL xBase Abandoned	2003	Relational	xBase Abandoned
	cubeSQL Acquired Company	2003	Relational	Acquired Company
	Memcached Cache	2003	Key-Value	Cache
	Perst Acquired Company	2003	Object-Oriented	Acquired Company
	XtremeData OLAP	2003	Relational	OLAP
	Tibero OLTP	2003	Relational	OLTP
	3store Abandoned	2003	Triplestore / RDF	Abandoned
	ObjectDatabase++	2003	Object-Oriented
	DATAllegro OLAP Acquired Company	2003	Relational	OLAP Acquired Company
	Ehcache Cache Acquired Company	2003	Key-Value	Cache Acquired Company
	SearchBlox Search Engine	2003	Document / XML	Search Engine
	Greenplum OLAP Forked Code Acquired Company	2003	Relational	OLAP Forked Code Acquired Company
	NexusDB OLTP	2003	Relational	OLTP
	KirbyBase Abandoned	2003	—	Abandoned
	Jackrabbit	2004	Object-Oriented
DR	DruideDB	2004	—
	Qizx Acquired Company	2004	Document / XML	Acquired Company
	Solr Search Engine NoSQL AI-Assisted	2004	Document / XML	Search Engine NoSQL AI-Assisted
	TomP2P Abandoned	2004	Key-Value	Abandoned
	Axibase Time-Series Failed Company	2004	—	Time-Series Failed Company
	RainStor Acquired Company	2004	Relational	Acquired Company
	Elasticsearch Search Engine NoSQL AI-Assisted	2004	Document / XML	Search Engine NoSQL AI-Assisted
	Consus	2004	Relational
	Rel	2004	Relational
	Comdb2 AI-Assisted	2004	Relational	AI-Assisted
	AllegroGraph	2004	Triplestore / RDF
	LucidDB OLAP Abandoned	2004	Relational	OLAP Abandoned
	H2	2004	Relational
	Aster Data OLAP Acquired Company	2005	Relational	OLAP Acquired Company
	C-Store Abandoned	2005	Relational	Abandoned
	ScaleDB Failed Company	2005	—	Failed Company
	ScaleOut StateServer	2005	Key-Value
	Infobright OLAP Acquired Company	2005	Relational	OLAP Acquired Company
	BlackRay Failed Company	2005	Relational	Failed Company
	CSQL Abandoned Failed Company	2005	Relational	Abandoned Failed Company
	SmallSQL Abandoned	2005	Relational	Abandoned
	Vertica OLAP Forked Code Acquired Company	2005	Relational	OLAP Forked Code Acquired Company
	Stardog	2005	Triplestore / RDF
	Cloud BigTable	2005	Column Family / Wide-Column
	Dataupia Failed Company	2005	Relational	Failed Company
	Hibari Acquired Company Abandoned	2005	Key-Value	Acquired Company Abandoned
	ScimoreDB	2005	Relational
	NEO	2005	Document / XML
	Xeround Failed Company Hosting Service	2005	Relational	Failed Company Hosting Service
	Atoti OLAP	2005	Relational	OLAP
	CouchDB NoSQL	2005	Document / XML	NoSQL
	Cheetah xBase	2005	Relational	xBase
	Hadoop OLAP AI-Assisted	2006	—	OLAP AI-Assisted
	Sparksee	2006	Graph, Object-Oriented
	Mulgara Abandoned	2006	Triplestore / RDF	Abandoned
	ParAccel OLAP Acquired Company	2006	Relational	OLAP Acquired Company
	Compass Abandoned Search Engine	2006	Document / XML, Object-Oriented	Abandoned Search Engine
	Clusterpoint Failed Company NoSQL	2006	Document / XML	Failed Company NoSQL
	Starcounter	2006	—
	Falcon Abandoned	2006	—	Abandoned
	Tokyo Cabinet DBM	2006	Key-Value	DBM
	RexDB Acquired Company	2006	Relational	Acquired Company
	RedDatabase Forked Code	2006	Relational	Forked Code
	ElevateDB	2006	Relational
	H-Store NewSQL Abandoned OLTP	2006	Relational	NewSQL Abandoned OLTP
	NeoDatis ODB Abandoned	2006	Object-Oriented	Abandoned
	Truviso Acquired Company Streaming	2006	Relational	Acquired Company Streaming
	ThruDB	2006	—
	HampusDB	2006	Key-Value
	Percona Server Forked Code	2006	Relational	Forked Code
	Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	Acquired Company Abandoned
	Clustrix NewSQL Acquired Company OLTP	2006	Relational	NewSQL Acquired Company OLTP
	CoreObject Abandoned	2007	Object-Oriented	Abandoned
SH	Shore-MT Forked Code OLTP	2007	Object-Oriented	Forked Code OLTP
	BaseX AI-Assisted	2007	Document / XML	AI-Assisted
	SchoonerSQL Acquired Company OLTP	2007	Relational	Acquired Company OLTP
	Neo4j NoSQL AI-Assisted	2007	Graph	NoSQL AI-Assisted
	sones GraphDB Abandoned Failed Company	2007	Graph	Abandoned Failed Company
NE	Neoview Abandoned	2007	Relational	Abandoned
	TransLattice NewSQL Failed Company	2007	Relational	NewSQL Failed Company
	AnzoGraph	2007	Graph
	Cloud Spanner NewSQL	2007	—	NewSQL
	SimpleDB NoSQL	2007	Key-Value	NoSQL
	HyperGraphDB Abandoned	2007	Graph	Abandoned
	GridGain Acquired Company	2007	Key-Value	Acquired Company
	CSV Comp DB	2007	Relational
	HBase NoSQL AI-Assisted	2007	Column Family / Wide-Column	NoSQL AI-Assisted
	upscaledb OLAP Abandoned	2007	Key-Value	OLAP Abandoned
	Tarantool	2008	Key-Value
	ZooDB Abandoned	2008	Object-Oriented	Abandoned
	Accumulo NoSQL	2008	Column Family / Wide-Column	NoSQL
	Zookeeper	2008	Hierarchical
	Hazelcast Cache	2008	Key-Value	Cache
	CloudKit Abandoned	2008	Document / XML	Abandoned
	Yaacomo OLAP Failed Company	2008	Relational	OLAP Failed Company
	Drizzle Forked Code Abandoned	2008	Relational	Forked Code Abandoned
	BabuDB Abandoned	2008	Key-Value	Abandoned
	chaozzDB Abandoned	2008	—	Abandoned
	Hypertable Acquired Company Abandoned	2008	Column Family / Wide-Column	Acquired Company Abandoned
	ModeShape Abandoned	2008	Object-Oriented	Abandoned
	Cloudant Acquired Company OLTP NoSQL	2008	Document / XML	Acquired Company OLTP NoSQL
PN	PNUTS Abandoned OLTP NoSQL	2008	Key-Value	Abandoned OLTP NoSQL
	GenieDB Failed Company Hosting Service	2008	Relational	Failed Company Hosting Service
	Cubrid AI-Assisted	2008	Relational	AI-Assisted
	Yanza Time-Series Failed Company	2008	Document / XML	Time-Series Failed Company
	InfoGrid Abandoned	2008	Graph	Abandoned
	quasardb	2008	Key-Value
	SciDB OLAP	2008	Array / Matrix	OLAP
	STSdb Failed Company	2008	Key-Value	Failed Company
	Cassandra NoSQL AI-Assisted	2008	Key-Value, Column Family / Wide-Column	NoSQL AI-Assisted
	Eloquera	2008	Object-Oriented
	Kai Abandoned	2008	Key-Value	Abandoned
	WhiteDB Abandoned	2008	Network	Abandoned
	WiredTiger Acquired Company AI-Assisted	2008	Key-Value	Acquired Company AI-Assisted
	Aerospike NoSQL AI-Assisted	2009	Document / XML, Key-Value, Vector	NoSQL AI-Assisted
	MongoDB NoSQL AI-Assisted	2009	Document / XML	NoSQL AI-Assisted
	Hadapt OLAP Acquired Company Middleware	2009	Relational	OLAP Acquired Company Middleware
	MariaDB AI-Assisted	2009	Relational	AI-Assisted
	Kinetica OLAP	2009	Relational	OLAP
	Redis Cache OLTP AI-Assisted	2009	Key-Value	Cache OLTP AI-Assisted
	Groonga AI-Assisted	2009	—	AI-Assisted
	FoundationDB Acquired Company OLTP AI-Assisted	2009	Key-Value	Acquired Company OLTP AI-Assisted
	Infinispan Cache	2009	Key-Value	Cache
	Hyrise OLAP	2009	Relational	OLAP
	Voldemort Abandoned NoSQL	2009	Key-Value	Abandoned NoSQL
	Scalaris Abandoned	2009	Key-Value	Abandoned
	System G	2009	Graph
	RavenDB MMAP NoSQL AI-Assisted	2009	Document / XML, Key-Value	MMAP NoSQL AI-Assisted
	RethinkDB Failed Company NoSQL	2009	Document / XML	Failed Company NoSQL
	Twig	2009	Object-Oriented
	Relational Database Service Hosting Service	2009	—	Hosting Service
	Datameer	2009	—
	madIS Abandoned	2009	Relational	Abandoned
	Kyoto Cabinet DBM	2009	Key-Value	DBM
	Crescando Abandoned	2009	Relational	Abandoned
	TokuDB Acquired Company Abandoned	2009	Relational	Acquired Company Abandoned
	VertexDB Abandoned	2009	Graph	Abandoned
	TaffyDB Abandoned	2009	Document / XML	Abandoned
	Vector OLAP Acquired Company	2009	Relational	OLAP Acquired Company
	hss.db	2009	Relational
	Algebraix	2009	—
	4store Abandoned	2009	Triplestore / RDF	Abandoned
	VistaDB	2009	—
	VoltDB NewSQL	2009	Relational	NewSQL
	ROMA Abandoned	2009	Key-Value	Abandoned
	AsterixDB OLAP AI-Assisted	2009	Document / XML	OLAP AI-Assisted
	RedStore Abandoned	2009	Triplestore / RDF	Abandoned
	DeveelDB Abandoned OLTP	2009	Relational	Abandoned OLTP
	Elliptics Abandoned	2009	Key-Value	Abandoned
	Terrastore Abandoned	2009	Document / XML	Abandoned
	FathomDB Acquired Company Hosting Service	2009	—	Acquired Company Hosting Service
FL	FleetDB Abandoned	2009	Document / XML	Abandoned
	SylvaDB Abandoned	2009	Graph	Abandoned
	Azure SQL Database Hosting Service	2009	Relational	Hosting Service
	AKDB Abandoned	2009	Relational	Abandoned
	ScaleBase Acquired Company	2009	—	Acquired Company
	Akiban Acquired Company Abandoned	2009	—	Acquired Company Abandoned
	LightCloud Abandoned	2009	Key-Value	Abandoned
	GBase	2010	—
	Riak Abandoned Failed Company NoSQL	2010	Key-Value	Abandoned Failed Company NoSQL
	OceanBase	2010	Relational
	LeanXcale OLAP OLTP	2010	Relational	OLAP OLTP
	Goldilocks	2010	Relational
	SQream OLAP	2010	Relational	OLAP
	Tesora Acquired Company Middleware	2010	Relational	Acquired Company Middleware
	HailDB Abandoned	2010	Key-Value	Abandoned
	PouchDB Web Browser NoSQL	2010	Document / XML	Web Browser NoSQL
	ScalienDB Abandoned Failed Company	2010	Key-Value	Abandoned Failed Company
	Citus OLAP Acquired Company AI-Assisted	2010	Relational	OLAP Acquired Company AI-Assisted
	Edis Abandoned NoSQL	2010	Key-Value	Abandoned NoSQL
	BTDB OLTP	2010	Key-Value, Object-Oriented	OLTP
	Couchbase NoSQL	2010	Key-Value, Document / XML	NoSQL
	OrientDB Multi-Model Acquired Company NoSQL	2010	Document / XML, Graph, Key-Value, Object-Oriented	Multi-Model Acquired Company NoSQL
	BigQuery OLAP Serverless	2010	Document / XML, Relational	OLAP Serverless
	RelationalCloud Abandoned	2010	Relational	Abandoned
	HyPer OLAP Acquired Company OLTP	2010	Relational	OLAP Acquired Company OLTP
	SRCH² Abandoned	2010	—	Abandoned
	FileDB Abandoned	2010	Key-Value	Abandoned
	JustOneDB Acquired Company	2010	Relational	Acquired Company
	DeepDB Abandoned Failed Company	2010	Relational	Abandoned Failed Company
	ObjectDB	2010	Object-Oriented
	ParStream OLAP Acquired Company Abandoned	2010	Relational	OLAP Acquired Company Abandoned
	YTsaurus AI-Assisted	2010	Key-Value	AI-Assisted
	ClearDB Acquired Company	2010	Relational	Acquired Company
AL	AlchemyDB Acquired Company Abandoned	2010	Relational	Acquired Company Abandoned
	NuoDB NewSQL Acquired Company	2010	Relational	NewSQL Acquired Company
FL	FlockDB Abandoned	2010	Graph	Abandoned
	Arakoon Abandoned	2010	Key-Value	Abandoned
	HANA	2010	Column Family / Wide-Column
KR	Krati Abandoned OLTP NoSQL	2010	Key-Value	Abandoned OLTP NoSQL
	SedonaDB Geospatial	2010	—	Geospatial
	OpenTSDB Time-Series Abandoned	2010	Key-Value	Time-Series Abandoned
MC	mcdb Abandoned Immutable MMAP	2010	Key-Value	Abandoned Immutable MMAP
	Pincaster	2010	Document / XML
	OctopusDB	2010	—
	DataStax	2010	—
	Hive OLAP AI-Assisted	2010	Relational	OLAP AI-Assisted
	Dydra	2010	Triplestore / RDF
	InfiniteGraph	2010	Graph
	Stig Abandoned Failed Company	2010	Graph	Abandoned Failed Company
	Qserv AI-Assisted	2011	Relational	AI-Assisted
	LMDB MMAP DBM AI-Assisted	2011	Key-Value	MMAP DBM AI-Assisted
	CrowdDB	2011	Relational
	GlobalsDB	2011	Array / Matrix
	GaussDB	2011	Relational
	pickleDB	2011	Document / XML
	Espresso	2011	Document / XML
	CodernityDB	2011	Key-Value
	BitYota Acquired Company	2011	Relational	Acquired Company
	LevelDB MMAP	2011	Key-Value	MMAP
	Oracle NoSQL NoSQL	2011	Key-Value	NoSQL
	AtomicDB Failed Company	2011	Object-Oriented	Failed Company
AO	AODBM Abandoned	2011	—	Abandoned
	ElephantDB Abandoned	2011	Key-Value	Abandoned
	Fallen-8 Abandoned	2011	Graph	Abandoned
FI	FileDb Abandoned NoSQL	2011	Relational	Abandoned NoSQL
	HyperDex Abandoned NoSQL	2011	Key-Value	Abandoned NoSQL
	nessDB Abandoned	2011	Key-Value	Abandoned
	SingleStore OLAP NewSQL Acquired Company OLTP	2011	Document / XML, Key-Value, Multi-Value, Object-Oriented, Relational, Vector	OLAP NewSQL Acquired Company OLTP
	Vitess Middleware AI-Assisted	2011	Relational	Middleware AI-Assisted
	Strabon	2011	Triplestore / RDF
	Realm Acquired Company Abandoned Mobile	2011	Object-Oriented	Acquired Company Abandoned Mobile
	SequoiaDB	2011	Document / XML
	ArangoDB Multi-Model AI-Assisted	2011	Document / XML, Graph, Key-Value	Multi-Model AI-Assisted
	Druid OLAP AI-Assisted	2011	Column Family / Wide-Column	OLAP AI-Assisted
	FastDB MMAP	2011	Relational	MMAP
	OrigoDB Abandoned	2011	Key-Value, Graph, Object-Oriented, Document / XML, Relational	Abandoned
	GridDB	2011	Key-Value
	Firebase Acquired Company NoSQL	2011	Document / XML	Acquired Company NoSQL
	VelocityDB Abandoned	2011	Object-Oriented	Abandoned
	KitaroDB	2012	Key-Value
	Relaxo Abandoned	2012	Document / XML	Abandoned
NA	Nanolat Abandoned	2012	Key-Value	Abandoned
	TigerGraph	2012	Graph
	StormDB Acquired Company	2012	Relational	Acquired Company
	DynomiteDB Cache Abandoned Middleware	2012	Key-Value	Cache Abandoned Middleware
CL	CloudSearch Search Engine	2012	Document / XML	Search Engine
CA	Calvin Abandoned	2012	Relational	Abandoned
	SirixDB AI-Assisted	2012	Document / XML	AI-Assisted
	CompleteDB Abandoned OLTP	2012	Relational	Abandoned OLTP
	FaunaDB Serverless Failed Company	2012	Document / XML, Graph, Key-Value, Relational	Serverless Failed Company
	Redshift OLAP Serverless	2012	Relational	OLAP Serverless
	DBreeze Multi-Model	2012	Document / XML, Key-Value	Multi-Model
SH	SharedDB	2012	Relational
	RaptorDB Abandoned	2012	Document / XML	Abandoned
	SchemafreeSQL	2012	Document / XML
	BlinkDB Abandoned	2012	Relational	Abandoned
BI	BinaryRage Abandoned	2012	Key-Value	Abandoned
	TDSQL	2012	Key-Value, Document / XML, Relational
EN	EnnoDB Abandoned	2012	Key-Value	Abandoned
	Rya Abandoned Middleware NoSQL	2012	Triplestore / RDF	Abandoned Middleware NoSQL
	MapDB Abandoned	2012	Object-Oriented	Abandoned
	Titan Acquired Company Abandoned	2012	Graph	Acquired Company Abandoned
	RocksDB Forked Code OLTP	2012	Key-Value	Forked Code OLTP
	Elevator Abandoned	2012	Key-Value	Abandoned
	Datomic Acquired Company	2012	Key-Value	Acquired Company
MD	MDBM Abandoned	2012	Key-Value	Abandoned
	Drill OLAP AI-Assisted	2012	Column Family / Wide-Column	OLAP AI-Assisted
	Djondb Abandoned	2012	Document / XML	Abandoned
KI	KingDB Abandoned MMAP	2012	Key-Value	Abandoned MMAP
	JanusGraph Acquired Company	2012	Graph	Acquired Company
	MangoDB Parody / Joke Abandoned NoSQL	2012	Document / XML	Parody / Joke Abandoned NoSQL
	GrapheneDB Hosting Service	2012	Graph	Hosting Service
	MammothDB OLAP Acquired Company	2012	Relational	OLAP Acquired Company
VU	VulcanDB Failed Company	2012	Object-Oriented	Failed Company
	KurrentDB Time-Series AI-Assisted	2012	Document / XML	Time-Series AI-Assisted
HA	HanoiDB Abandoned	2012	Key-Value	Abandoned
	Prometheus Time-Series AI-Assisted	2012	Key-Value	Time-Series AI-Assisted
	TreodeDB Abandoned	2012	Key-Value	Abandoned
FO	Fongo Abandoned NoSQL	2012	Document / XML	Abandoned NoSQL
	Cloud SQL Hosting Service	2012	Relational	Hosting Service
	MapR-DB Acquired Company	2012	Column Family / Wide-Column	Acquired Company
	EJDB	2012	Key-Value, Document / XML
	BrightstarDB Abandoned	2012	Triplestore / RDF	Abandoned
	Lealone	2012	Relational
	EVCache Cache	2012	Key-Value	Cache
	Concourse	2012	Document / XML
	CastleDB	2012	Document / XML
	Hekaton OLTP	2012	Relational	OLTP
	SenseiDB Abandoned	2012	Relational	Abandoned
	DensoDB Abandoned	2012	Document / XML	Abandoned
	Sqrrl Acquired Company NoSQL	2012	Graph, Key-Value	Acquired Company NoSQL
	CoGaDB Abandoned	2012	Relational	Abandoned
	Alenka Abandoned	2012	Relational	Abandoned
	FatDB Cache Failed Company NoSQL	2012	Key-Value	Cache Failed Company NoSQL
	Splice Machine Abandoned Failed Company	2012	Relational	Abandoned Failed Company
	DynamoDB OLTP NoSQL	2012	Document / XML, Key-Value	OLTP NoSQL
	vyhodb Abandoned	2012	Network	Abandoned
	Tajo OLAP Abandoned	2012	Relational	OLAP Abandoned
	JasDB Abandoned	2013	Document / XML	Abandoned
	WonderDB Abandoned OLTP	2013	Relational	Abandoned OLTP
FO	ForestDB Abandoned	2013	Key-Value	Abandoned
	Galaxybase	2013	Graph
	Brytlyt OLAP Forked Code Acquired Company	2013	Relational	OLAP Forked Code Acquired Company
	Kylin	2013	Key-Value
LA	Lazer	2013	Document / XML
	NeDB Abandoned	2013	Document / XML	Abandoned
	ql AI-Assisted	2013	Relational	AI-Assisted
	PipelineDB Acquired Company Abandoned Streaming	2013	Relational	Acquired Company Abandoned Streaming
LO	LokiVector Nearest Neighbor NoSQL	2013	Document / XML, Vector	Nearest Neighbor NoSQL
	Blueflood Time-Series Abandoned	2013	Column Family / Wide-Column	Time-Series Abandoned
	FineDB Abandoned NoSQL	2013	Key-Value	Abandoned NoSQL
	TokuMX Forked Code Acquired Company Abandoned	2013	Document / XML	Forked Code Acquired Company Abandoned
	PrestoDB OLAP AI-Assisted	2013	Document / XML, Key-Value, Column Family / Wide-Column, Relational	OLAP AI-Assisted
	Bitsy	2013	Graph
	TinyDB	2013	Document / XML
	BergDB	2013	Document / XML
	SparkleDB OLTP	2013	Graph	OLTP
SP	Sparkey Abandoned Immutable	2013	Key-Value	Abandoned Immutable
EA	EaseDB Abandoned	2013	Document / XML	Abandoned
	GeoSpock DB Failed Company	2013	Relational	Failed Company
	AgensGraph Forked Code Multi-Model Acquired Company	2013	Document / XML, Graph, Key-Value, Relational	Forked Code Multi-Model Acquired Company
	HeavyDB Abandoned	2013	Relational	Abandoned
	InfluxDB Time-Series AI-Assisted	2013	Column Family / Wide-Column	Time-Series AI-Assisted
GO	Google F1	2013	Relational
	InfoFrame Abandoned	2013	Relational	Abandoned
	InfiniSQL Abandoned OLTP	2013	Relational	Abandoned OLTP
	ZippyDB	2013	Key-Value
	BoltDB Abandoned	2013	Key-Value	Abandoned
	Swarm64 OLAP Acquired Company	2013	Relational	OLAP Acquired Company
	Scuba	2013	Relational
	Snowflake OLAP	2013	Document / XML, Relational	OLAP
	TingoDB Abandoned	2013	Document / XML	Abandoned
SI	Silo Abandoned	2013	Relational	Abandoned
	Quickstep OLAP Abandoned	2013	Relational	OLAP Abandoned
	Akumuli Time-Series Abandoned	2013	Relational	Time-Series Abandoned
	LokiJS Abandoned	2013	Document / XML	Abandoned
	Irmin	2013	Document / XML
	Impala OLAP AI-Assisted	2013	Relational	OLAP AI-Assisted
SK	SkyDB	2013	—
	Databricks OLAP Hosting Service	2013	—	OLAP Hosting Service
HI	hipsterDB Parody / Joke Abandoned	2013	Key-Value	Parody / Joke Abandoned
	KairosDB Time-Series	2013	Relational	Time-Series
	NosDB Abandoned	2013	Document / XML	Abandoned
	Trousseau	2013	Key-Value
AR	Ardb Abandoned	2013	Key-Value	Abandoned
	SSDB Abandoned	2013	Key-Value	Abandoned
AN	AngstromDB Abandoned	2013	Key-Value	Abandoned
	Warp 10 Time-Series	2013	—	Time-Series
	tiedot Abandoned	2013	Document / XML	Abandoned
	etcd Acquired Company	2013	Key-Value	Acquired Company
	Cloud Datastore NoSQL	2013	Document / XML	NoSQL
	DBx1000 Abandoned	2014	Relational	Abandoned
	Kerf	2014	—
RI	Riffle Abandoned Immutable	2014	—	Abandoned Immutable
	Xodus Abandoned	2014	Document / XML	Abandoned
	dashDB Hosting Service	2014	—	Hosting Service
	Gnocchi Time-Series Middleware	2014	Relational	Time-Series Middleware
	rqlite AI-Assisted	2014	Relational	AI-Assisted
	InMemory.Net	2014	Relational
	Ignite	2014	Key-Value
LI	LittleD Abandoned	2014	Relational	Abandoned
	Spark SQL OLAP AI-Assisted	2014	—	OLAP AI-Assisted
	FuelDB Abandoned	2014	Document / XML	Abandoned
	DaggerDB	2014	Relational
	GUN Peer-to-Peer	2014	Graph	Peer-to-Peer
	EventQL OLAP Abandoned	2014	Relational	OLAP Abandoned
	BTrDB Abandoned	2014	Relational	Abandoned
MA	Manhattan	2014	—
	Yellowbrick OLAP	2014	Relational	OLAP
	WebScaleSQL Forked Code Abandoned	2014	Relational	Forked Code Abandoned
	LiteDB AI-Assisted	2014	Document / XML	AI-Assisted
AP	Apollo	2014	Document / XML
	Aurora	2014	Relational
	Venice AI-Assisted	2014	Document / XML	AI-Assisted
	iBoxDB Serverless Mobile NoSQL	2014	Document / XML	Serverless Mobile NoSQL
	Bagri Abandoned	2014	Document / XML	Abandoned
	TrailDB Abandoned	2014	Relational	Abandoned
TE	Tera Abandoned	2014	Column Family / Wide-Column	Abandoned
LO	LowDB Web Browser NoSQL	2014	Document / XML	Web Browser NoSQL
	Bleve Search Engine AI-Assisted	2014	Document / XML, Vector	Search Engine AI-Assisted
	OlegDB Abandoned MMAP NoSQL	2014	Key-Value	Abandoned MMAP NoSQL
	MarcelloDB Abandoned	2014	Object-Oriented	Abandoned
	ActorDB Abandoned	2014	Relational	Abandoned
CO	ConfluxDB	2014	—
	DalmatinerDB Abandoned	2014	—	Abandoned
	Trafodion Abandoned	2014	Column Family / Wide-Column	Abandoned
	Cayley Abandoned	2014	Triplestore / RDF	Abandoned
	ZippyDB Cache Serverless Failed Company	2014	Key-Value	Cache Serverless Failed Company
	YDB NewSQL OLTP AI-Assisted	2014	Relational	NewSQL OLTP AI-Assisted
	CockroachDB NewSQL OLTP AI-Assisted	2014	Relational	NewSQL OLTP AI-Assisted
SL	Slumber DB Abandoned	2014	Key-Value	Abandoned
	RamSQL Abandoned	2014	Relational	Abandoned
	Lovefield Web Browser Abandoned	2014	Relational	Web Browser Abandoned
	Scylla NoSQL AI-Assisted	2014	Key-Value, Column Family / Wide-Column	NoSQL AI-Assisted
	Pika AI-Assisted	2014	Key-Value	AI-Assisted
	Joedb	2014	Relational
	CrateDB	2014	—
	AlaSQL AI-Assisted	2014	Document / XML, Relational	AI-Assisted
	Atlas Time-Series AI-Assisted	2014	—	Time-Series AI-Assisted
	Sophia Abandoned OLTP NoSQL	2014	Key-Value	Abandoned OLTP NoSQL
	CortexDB Multi-Model NoSQL	2014	Key-Value, Document / XML	Multi-Model NoSQL
	RapidsDB OLAP Middleware	2014	—	OLAP Middleware
	QuestDB Time-Series AI-Assisted	2014	Relational	Time-Series AI-Assisted
	Chronicle Map AI-Assisted	2014	Key-Value	AI-Assisted
	GrapheekDB Abandoned	2014	Key-Value, Graph	Abandoned
	Phoenix Middleware AI-Assisted	2014	Relational	Middleware AI-Assisted
	TileDB NoSQL	2014	Array / Matrix	NoSQL
	LedisDB Abandoned NoSQL	2014	Key-Value	Abandoned NoSQL
	Sequins Abandoned	2014	Key-Value	Abandoned
	Pinot OLAP AI-Assisted	2014	Relational	OLAP AI-Assisted
	DataScript	2014	Key-Value
	qlever Query Engine	2014	Graph, Triplestore / RDF	Query Engine
	Vedis Abandoned	2014	Key-Value	Abandoned
	Kinto NoSQL AI-Assisted	2014	Document / XML	NoSQL AI-Assisted
	Vitesse DB OLAP	2014	Relational	OLAP
	Amisa Server Failed Company	2014	Document / XML	Failed Company
	Indica	2014	—
	RubatoDB	2014	Key-Value
PE	PearlDB Abandoned	2015	Key-Value	Abandoned
	TiDB NewSQL AI-Assisted	2015	Key-Value	NewSQL AI-Assisted
	Paper Abandoned NoSQL	2015	Key-Value, Object-Oriented	Abandoned NoSQL
LL	LlamaDB Abandoned	2015	Relational	Abandoned
	SlicingDice Failed Company	2015	—	Failed Company
	GoshawkDB Abandoned	2015	Object-Oriented	Abandoned
	FiloDB	2015	—
	Noms Versioning Abandoned	2015	Document / XML	Versioning Abandoned
	NCache Cache	2015	Key-Value	Cache
	BBoxDB AI-Assisted	2015	Array / Matrix	AI-Assisted
	BayesDB Abandoned	2015	—	Abandoned
	Beringei Time-Series Abandoned	2015	Key-Value	Time-Series Abandoned
	Proteus	2015	Relational
	IonDB Abandoned	2015	Key-Value	Abandoned
	EsgynDB Failed Company	2015	Relational	Failed Company
	JustinDB Abandoned	2015	Key-Value	Abandoned
	Heroic Abandoned	2015	Key-Value	Abandoned
	HAWQ OLAP Abandoned Middleware	2015	Relational	OLAP Abandoned Middleware
	FinchDB	2015	Document / XML
	Chronix Time-Series Abandoned	2015	—	Time-Series Abandoned
	Consus Abandoned	2015	Key-Value	Abandoned
	CurioDB Abandoned NoSQL	2015	Key-Value	Abandoned NoSQL
	UnumDB Abandoned Failed Company	2015	Document / XML, Graph, Key-Value, Array / Matrix	Abandoned Failed Company
	DegDB Abandoned	2015	Graph	Abandoned
	Geode Cache Forked Code OLTP NoSQL	2015	Key-Value	Cache Forked Code OLTP NoSQL
	ComputeDB OLAP Acquired Company Abandoned	2015	Relational	OLAP Acquired Company Abandoned
	OrbitDB Peer-to-Peer	2015	Document / XML, Key-Value	Peer-to-Peer
	BangDB Multi-Model NoSQL	2015	Key-Value	Multi-Model NoSQL
	Serenity Abandoned NoSQL	2015	—	Abandoned NoSQL
	DuctileDB Abandoned	2015	Graph	Abandoned
	BlobCity Failed Company	2015	Document / XML, Relational	Failed Company
	BlazingSQL OLAP Abandoned Failed Company	2015	Relational	OLAP Abandoned Failed Company
	Cosmos DB	2015	Key-Value, Graph, Column Family / Wide-Column
	Antidote	2015	Key-Value
	MLDB Acquired Company Abandoned	2015	—	Acquired Company Abandoned
PA	PalDB Abandoned	2015	Key-Value	Abandoned
	IQrypt Failed Company	2015	Document / XML	Failed Company
	DGraph Acquired Company AI-Assisted	2015	Graph	Acquired Company AI-Assisted
	piladb Abandoned	2015	Object-Oriented	Abandoned
	ZeroDB Abandoned	2015	Document / XML	Abandoned
	Typhon MMAP AI-Assisted	2015	Object-Oriented	MMAP AI-Assisted
	BigchainDB Abandoned Blockchain	2015	Document / XML, Key-Value	Abandoned Blockchain
	Dremio OLAP Query Engine Acquired Company Abandoned Data Lake	2015	Relational	OLAP Query Engine Acquired Company Abandoned Data Lake
LI	libmdbx Forked Code MMAP	2015	Key-Value	Forked Code MMAP
	Weaviate Nearest Neighbor Search Engine MMAP AI-Assisted	2016	Vector	Nearest Neighbor Search Engine MMAP AI-Assisted
	NuDB Abandoned	2016	Key-Value	Abandoned
	Timbala Time-Series Abandoned	2016	Relational	Time-Series Abandoned
	Mentat Abandoned	2016	Relational	Abandoned
	ElaSQL Abandoned	2016	Relational	Abandoned
	EliasDB Abandoned	2016	Graph	Abandoned
	BoJack Abandoned	2016	Key-Value	Abandoned
	TypeDB AI-Assisted	2016	Entity-Relationship, Graph	AI-Assisted
	TiKV AI-Assisted	2016	Key-Value	AI-Assisted
	RediSQL Abandoned	2016	Relational	Abandoned
	SurrealDB Serverless Multi-Model AI-Assisted	2016	Document / XML, Graph, Relational	Serverless Multi-Model AI-Assisted
	SummitDB Abandoned NoSQL	2016	Key-Value	Abandoned NoSQL
	BuntDB OLTP	2016	Key-Value	OLTP
	TerarkDB Forked Code Acquired Company	2016	Key-Value	Forked Code Acquired Company
	GenomicsDB Abandoned	2016	Array / Matrix	Abandoned
	SiriDB Time-Series	2016	—	Time-Series
	CruzDB	2016	—
	Gaffer Abandoned	2016	Entity-Relationship	Abandoned
	ShardingSphere AI-Assisted	2016	Relational	AI-Assisted
	OnceDB Cache Abandoned Failed Company	2016	Document / XML	Cache Abandoned Failed Company
	RxDB AI-Assisted	2016	Document / XML	AI-Assisted
PI	PicoDB Abandoned	2016	Document / XML	Abandoned
	Rockset OLAP Acquired Company	2016	Relational	OLAP Acquired Company
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	Blockchain OLTP AI-Assisted
	DataFusion Query Engine AI-Assisted	2016	Relational	Query Engine AI-Assisted
	ObjectBox Time-Series Nearest Neighbor MMAP Mobile NoSQL	2016	Object-Oriented	Time-Series Nearest Neighbor MMAP Mobile NoSQL
	IndraDB Abandoned	2016	Graph	Abandoned
	HerdDB Abandoned	2016	Relational	Abandoned
	YugabyteDB Forked Code OLTP AI-Assisted	2016	Key-Value, Relational	Forked Code OLTP AI-Assisted
	Ocient	2016	Relational
	Tile38	2016	—
	Memgraph AI-Assisted	2016	Graph	AI-Assisted
	Mimir Time-Series AI-Assisted	2016	Relational	Time-Series AI-Assisted
	Kudu OLTP	2016	Relational	OLTP
	MongoDB Atlas Hosting Service	2016	Document / XML	Hosting Service
	Tantivy Search Engine MMAP AI-Assisted	2016	Document / XML	Search Engine MMAP AI-Assisted
	VanillaDB Abandoned	2016	Multi-Value	Abandoned
	Sled	2016	Key-Value
	OushuDB	2016	Relational
	Redcon	2016	Key-Value
	DB4IoT	2016	Document / XML
	Cubrick	2016	Column Family / Wide-Column
	QuineDB	2016	Key-Value
SK	SkeletonDB Abandoned	2016	—	Abandoned
	SparrowDB Abandoned	2016	Key-Value	Abandoned
	ClickHouse OLAP AI-Assisted	2016	Relational	OLAP AI-Assisted
	Altinity Forked Code AI-Assisted Hosting Service	2017	—	Forked Code AI-Assisted Hosting Service
	IoTDB Time-Series AI-Assisted	2017	Hierarchical	Time-Series AI-Assisted
AB	abhot Time-Series Forked Code Abandoned	2017	Relational	Time-Series Forked Code Abandoned
	FeatureBase Abandoned Search Engine	2017	Relational	Abandoned Search Engine
	PumpkinDB Abandoned Immutable	2017	Key-Value	Abandoned Immutable
	Fluree Blockchain AI-Assisted	2017	Document / XML, Graph, Triplestore / RDF, Relational	Blockchain AI-Assisted
	SpreadsheetDB Failed Company	2017	Document / XML	Failed Company
	HugeGraph Middleware AI-Assisted	2017	Graph	Middleware AI-Assisted
	Aito Search Engine	2017	Relational	Search Engine
	Polypheny Multi-Model	2017	Document / XML, Graph, Relational	Multi-Model
	Doris OLAP AI-Assisted	2017	Relational	OLAP AI-Assisted
	Memstate Abandoned	2017	Object-Oriented	Abandoned
	LightDB Abandoned	2017	Array / Matrix	Abandoned
	JSONBin.io	2017	Document / XML
	JuliaDB Abandoned	2017	Relational	Abandoned
	Kyuubi Middleware AI-Assisted	2017	Relational	Middleware AI-Assisted
	BadgerDB AI-Assisted	2017	Key-Value	AI-Assisted
HA	HaloDB Abandoned	2017	Key-Value	Abandoned
BB	bbolt Forked Code Revival Project	2017	Key-Value	Forked Code Revival Project
	ViyaDB OLAP Abandoned	2017	Relational	OLAP Abandoned
	Cloud Firestore Serverless	2017	Document / XML	Serverless
	JaguarDB Nearest Neighbor	2017	Array / Matrix, Key-Value	Nearest Neighbor
	CogDB	2017	Triplestore / RDF
	NavDB Abandoned	2017	Key-Value, Relational	Abandoned
	PolarDB AI-Assisted	2017	Relational	AI-Assisted
	Pilosa Abandoned	2017	Vector	Abandoned
	Machbase Time-Series	2017	Relational	Time-Series
	ksqlDB Streaming AI-Assisted	2017	Key-Value, Relational	Streaming AI-Assisted
	Nitrite NoSQL AI-Assisted	2017	Document / XML	NoSQL AI-Assisted
	TimescaleDB Time-Series AI-Assisted	2017	Relational	Time-Series AI-Assisted
	LocustDB Abandoned	2017	Relational	Abandoned
	Helium Failed Company	2017	Key-Value	Failed Company
HA	HaloDB Revive Forked Code Revival Project	2017	Key-Value	Forked Code Revival Project
DQ	Dqlite	2017	Relational
	JSqlDb	2017	Document / XML
	TDengine Time-Series AI-Assisted	2017	Relational	Time-Series AI-Assisted
	HarperDB Serverless NoSQL	2017	Document / XML	Serverless NoSQL
	ProfaneDB Abandoned	2017	Object-Oriented	Abandoned
	PosDB OLAP	2017	Relational	OLAP
	Manticore Search Search Engine	2017	Relational	Search Engine
	OpenMLDB	2017	Relational
	Umbra OLAP OLTP	2018	Array / Matrix, Relational	OLAP OLTP
	VictoriaMetrics Time-Series AI-Assisted	2018	Column Family / Wide-Column	Time-Series AI-Assisted
	eyros Time-Series Abandoned	2018	Array / Matrix	Time-Series Abandoned
	ArcticDB Time-Series OLAP AI-Assisted	2018	Relational	Time-Series OLAP AI-Assisted
	Timestream	2018	Relational
	EVA DB Abandoned	2018	Relational	Abandoned
	XTDB AI-Assisted	2018	Document / XML	AI-Assisted
	CovenantSQL Abandoned Blockchain	2018	Relational	Abandoned Blockchain
	Datahike AI-Assisted	2018	Key-Value	AI-Assisted
	ProvenDB Acquired Company Blockchain Middleware	2018	Document / XML	Acquired Company Blockchain Middleware
	Histore Abandoned	2018	Key-Value	Abandoned
	SwayDB Abandoned	2018	Key-Value	Abandoned
	SplinterDB NoSQL	2018	Key-Value	NoSQL
	jsonstore.io Abandoned	2018	Document / XML	Abandoned
	AceBase Web Browser	2018	Document / XML	Web Browser
	Napa	2018	Relational
TI	Titan Abandoned	2018	—	Abandoned
	KVdb NoSQL	2018	Key-Value	NoSQL
	Meilisearch Search Engine AI-Assisted	2018	Document / XML	Search Engine AI-Assisted
	RelationalAI	2018	Graph, Relational
AS	Asami Abandoned	2018	Graph	Abandoned
	EuclidesDB Abandoned	2018	Array / Matrix	Abandoned
	MMKV MMAP Mobile	2018	Key-Value	MMAP Mobile
	Oxigraph	2018	Graph, Triplestore / RDF
	Tendis NoSQL	2018	Key-Value	NoSQL
	Cachegrand Cache Abandoned	2018	Key-Value	Cache Abandoned
	LeanStore Abandoned OLTP	2018	Key-Value	Abandoned OLTP
	DolphinDB Time-Series	2018	Relational	Time-Series
	Gel OLAP AI-Assisted	2018	Relational	OLAP AI-Assisted
	QLDB Abandoned Blockchain	2018	Document / XML	Abandoned Blockchain
	DuckDB OLAP Acquired Company AI-Assisted	2018	Relational	OLAP Acquired Company AI-Assisted
	NoisePage Abandoned	2018	Relational	Abandoned
	ScalarDB Middleware NoSQL	2018	Relational	Middleware NoSQL
	NunDB	2018	Object-Oriented
	Dolt Versioning AI-Assisted	2018	Relational	Versioning AI-Assisted
	StellarSQL Abandoned	2018	Relational	Abandoned
	PlanetScale Forked Code OLTP	2018	Relational	Forked Code OLTP
	redb OLTP AI-Assisted	2018	Key-Value	OLTP AI-Assisted
	Nebula Graph	2018	Graph
	RedixDB Abandoned	2018	Key-Value	Abandoned
	M3DB Time-Series AI-Assisted	2018	Relational	Time-Series AI-Assisted
	Pebble AI-Assisted	2018	Key-Value	AI-Assisted
	NutsDB AI-Assisted	2018	Key-Value	AI-Assisted
	RedisGraph Abandoned	2018	Graph	Abandoned
	ImmortalDB Web Browser Abandoned	2018	Key-Value	Web Browser Abandoned
	Pogreb MMAP	2018	Key-Value	MMAP
CH	ChaiSQL	2018	Document / XML
	EcoDB Failed Company	2018	Document / XML	Failed Company
	Siodb Abandoned	2018	Relational	Abandoned
	SapphireDb Abandoned	2018	Object-Oriented	Abandoned
	BaikalDB	2018	Relational
	AresDB OLAP Abandoned	2018	Relational	OLAP Abandoned
	RadonDB Abandoned Failed Company	2018	Relational	Abandoned Failed Company
	SleekDB	2018	Document / XML
	FASTER	2018	Key-Value
	CheetahDB	2018	Relational
	Neptune	2018	Graph, Triplestore / RDF
	SWC-DB Abandoned	2019	Column Family / Wide-Column, Key-Value	Abandoned
	DocumentDB	2019	Document / XML
	LungoDB	2019	Document / XML
	mutable	2019	—
	BusTub	2019	Relational
	toyDB	2019	Relational
	Vearch Nearest Neighbor Search Engine	2019	Document / XML, Vector	Nearest Neighbor Search Engine
	EraDB Acquired Company	2019	Document / XML	Acquired Company
	EasyDB Failed Company	2019	Document / XML	Failed Company
	Akutan Abandoned	2019	Triplestore / RDF	Abandoned
	FusionDB Abandoned	2019	Document / XML	Abandoned
	PupDB Abandoned	2019	Key-Value	Abandoned
	TabDB Parody / Joke Abandoned	2019	Relational	Parody / Joke Abandoned
	ResilientDB Blockchain	2019	Document / XML	Blockchain
AG	AgateDB Abandoned	2019	Key-Value	Abandoned
	EinsteinDB Abandoned	2019	Key-Value	Abandoned
	JinDB Abandoned	2019	—	Abandoned
	KeyDB Acquired Company Abandoned NoSQL	2019	—	Acquired Company Abandoned NoSQL
	Kunlun Abandoned	2019	Relational	Abandoned
	qikkDB OLAP Abandoned Failed Company	2019	Relational	OLAP Abandoned Failed Company
	Redwood Abandoned Peer-to-Peer	2019	Key-Value	Abandoned Peer-to-Peer
	ThreadDB Abandoned Peer-to-Peer	2019	Document / XML	Abandoned Peer-to-Peer
	KenobiDB Abandoned Middleware	2019	Document / XML	Abandoned Middleware
	PinusDB Abandoned	2019	Relational	Abandoned
	DefraDB Peer-to-Peer AI-Assisted	2019	Document / XML	Peer-to-Peer AI-Assisted
	Bitcask Abandoned	2019	Key-Value	Abandoned
	Hive Abandoned	2019	Key-Value	Abandoned
	Materialize Streaming AI-Assisted	2019	Relational	Streaming AI-Assisted
	TerminusDB AI-Assisted	2019	Document / XML, Graph, Triplestore / RDF	AI-Assisted
	OctoSQL Query Engine Abandoned	2019	Relational	Query Engine Abandoned
	Delta Lake AI-Assisted	2019	Column Family / Wide-Column	AI-Assisted
	Immudb Immutable AI-Assisted	2019	Key-Value	Immutable AI-Assisted
	Kvrocks NoSQL AI-Assisted	2019	Key-Value	NoSQL AI-Assisted
	Milvus Nearest Neighbor AI-Assisted	2019	Vector	Nearest Neighbor AI-Assisted
	Pinecone Nearest Neighbor Search Engine	2019	Vector	Nearest Neighbor Search Engine
	Trino AI-Assisted	2019	—	AI-Assisted
	Ultipa OLAP OLTP NoSQL	2019	Graph	OLAP OLTP NoSQL
	Vald Nearest Neighbor Search Engine AI-Assisted	2019	Vector	Nearest Neighbor Search Engine AI-Assisted
	CrossDB Abandoned	2019	Relational	Abandoned
KA	KarelDB Abandoned	2019	Relational	Abandoned
	LinDB Abandoned	2019	Column Family / Wide-Column	Abandoned
	Skyrise OLAP Serverless Query Engine Abandoned	2019	Relational	OLAP Serverless Query Engine Abandoned
	Tinybird OLAP Hosting Service	2019	—	OLAP Hosting Service
	AGEDB Middleware AI-Assisted	2019	Graph	Middleware AI-Assisted
	OneDB	2020	Relational
	Graviton Versioning Abandoned	2020	Key-Value	Versioning Abandoned
	Kuzu Acquired Company Abandoned Nearest Neighbor	2020	Graph	Acquired Company Abandoned Nearest Neighbor
	GreatSQL	2020	Relational
	PoloDB NoSQL	2020	Document / XML	NoSQL
	Speedb Forked Code Acquired Company	2020	Key-Value	Forked Code Acquired Company
	Skytable Abandoned NoSQL	2020	Key-Value	Abandoned NoSQL
	SQLite.Cloud OLTP Hosting Service	2020	Relational	OLTP Hosting Service
	TieredMemDB Cache Forked Code Abandoned NoSQL	2020	Key-Value	Cache Forked Code Abandoned NoSQL
	Xata Forked Code AI-Assisted	2020	Relational	Forked Code AI-Assisted
	Unbounded Failed Company	2020	Document / XML	Failed Company
	TensorBase OLAP Abandoned Failed Company	2020	Relational	OLAP Abandoned Failed Company
	Supabase OLTP AI-Assisted Hosting Service	2020	—	OLTP AI-Assisted Hosting Service
	AnnDB Abandoned Nearest Neighbor	2020	Vector	Abandoned Nearest Neighbor
	Sir.DB Abandoned	2020	Document / XML	Abandoned
	e6data OLAP	2020	—	OLAP
JS	JSDB Abandoned	2020	Document / XML	Abandoned
	RoseDB NoSQL AI-Assisted	2020	Key-Value	NoSQL AI-Assisted
	Qdrant Nearest Neighbor Search Engine MMAP AI-Assisted	2020	Vector	Nearest Neighbor Search Engine MMAP AI-Assisted
	ReadySet Cache Middleware AI-Assisted	2020	Relational	Cache Middleware AI-Assisted
	Raphtory OLAP AI-Assisted	2020	Graph	OLAP AI-Assisted
	GhostDB Cache Abandoned	2020	Key-Value	Cache Abandoned
	RonDB OLTP AI-Assisted	2020	Key-Value, Relational	OLTP AI-Assisted
	PysonDB Abandoned NoSQL	2020	Document / XML	Abandoned NoSQL
	Tkrzw Abandoned DBM	2020	Key-Value	Abandoned DBM
	Quadrable Abandoned	2020	Key-Value	Abandoned
	Databend AI-Assisted	2020	Relational	AI-Assisted
	TigerBeetle	2020	Relational
	Assassin Abandoned Peer-to-Peer	2020	Key-Value	Abandoned Peer-to-Peer
	VectorSQL OLAP Abandoned	2020	Relational	OLAP Abandoned
	Firebolt OLAP Forked Code	2020	Relational	OLAP Forked Code
	Astra DB Hosting Service	2020	—	Hosting Service
	evitaDB AI-Assisted	2020	Document / XML	AI-Assisted
	Husky Time-Series	2020	Document / XML	Time-Series
	RegattaDB OLAP OLTP	2020	Relational	OLAP OLTP
	Gaia Abandoned Failed Company	2020	Object-Oriented	Abandoned Failed Company
	SpaceTime	2020	Relational
	ByConity OLAP Abandoned	2020	Relational	OLAP Abandoned
LI	LineairDB AI-Assisted	2020	Key-Value	AI-Assisted
	NeuroDB	2020	Graph
	Oxla OLAP Acquired Company	2020	Relational	OLAP Acquired Company
	LazyDB	2020	Document / XML
	FlashDB	2020	Key-Value
	AvionDB Abandoned Peer-to-Peer	2020	Document / XML	Abandoned Peer-to-Peer
	Icecoal Abandoned	2020	Relational	Abandoned
	HStreamDB Abandoned Streaming	2020	Relational	Abandoned Streaming
	ts-sql Abandoned	2020	Relational	Abandoned
	FeatureForm Acquired Company Abandoned Nearest Neighbor	2020	Vector	Acquired Company Abandoned Nearest Neighbor
	Velox OLAP Query Engine AI-Assisted	2020	Relational	OLAP Query Engine AI-Assisted
	Condensation Abandoned Blockchain	2020	Object-Oriented	Abandoned Blockchain
	Graphik Abandoned	2020	Document / XML	Abandoned
	Datalevin	2020	Document / XML
	Polars Query Engine AI-Assisted	2020	—	Query Engine AI-Assisted
	Earthstar Abandoned Peer-to-Peer	2020	Document / XML	Abandoned Peer-to-Peer
	FerretDB AI-Assisted	2021	Document / XML	AI-Assisted
	Proton Streaming AI-Assisted	2021	Relational	Streaming AI-Assisted
	RisingLight Abandoned	2021	Relational	Abandoned
	Neon Serverless Forked Code Acquired Company OLTP	2021	Relational	Serverless Forked Code Acquired Company OLTP
	ReductStore Time-Series AI-Assisted	2021	Key-Value	Time-Series AI-Assisted
	PancakeDB	2021	—
	TuGraph	2021	Graph
	RisingWave Streaming AI-Assisted	2021	Relational	Streaming AI-Assisted
	Column Abandoned	2021	Relational	Abandoned
	KeyVal Serverless	2021	Key-Value	Serverless
	Oxia AI-Assisted	2021	Key-Value	AI-Assisted
	Opteryx OLAP Serverless AI-Assisted	2021	Relational	OLAP Serverless AI-Assisted
	BonsaiDb Abandoned	2021	Key-Value	Abandoned
	HoraeDB Time-Series Abandoned	2021	Relational	Time-Series Abandoned
	Dragonfly Cache AI-Assisted	2021	Key-Value	Cache AI-Assisted
RE	RefineDB Abandoned	2021	Document / XML	Abandoned
	RageDB Abandoned	2021	Graph	Abandoned
	PieCloudDB OLAP	2021	Relational	OLAP
	Quickwit Acquired Company Search Engine AI-Assisted	2021	Document / XML	Acquired Company Search Engine AI-Assisted
	TinyBase	2021	Relational
	Garnet Cache AI-Assisted	2021	Key-Value	Cache AI-Assisted
	ToplingDB Forked Code AI-Assisted	2021	Key-Value	Forked Code AI-Assisted
	ProtonBase OLAP	2021	Document / XML, Relational	OLAP
	Elara DB Abandoned	2021	Key-Value	Abandoned
	EdgelessDB Abandoned	2021	Relational	Abandoned
	zeeSQL Cache OLTP	2021	Relational	Cache OLTP
	Doxa Abandoned	2021	Document / XML	Abandoned
	StarRocks OLAP AI-Assisted	2021	Relational, Column Family / Wide-Column	OLAP AI-Assisted
	BerylDB Abandoned Failed Company	2021	Key-Value	Abandoned Failed Company
	SpiceDB Middleware AI-Assisted	2021	Object-Oriented	Middleware AI-Assisted
	Mongrel Serverless Failed Company	2021	Key-Value	Serverless Failed Company
	SKSQL Abandoned	2021	Relational	Abandoned
	DiggyDB Abandoned	2021	Document / XML	Abandoned
VS	vsql Abandoned	2021	Relational	Abandoned
	LightDB Abandoned NoSQL	2021	Document / XML	Abandoned NoSQL
	Quokka OLAP Abandoned	2021	Relational	OLAP Abandoned
	MonographDB	2021	Relational
	OrioleDB Acquired Company AI-Assisted	2021	Relational	Acquired Company AI-Assisted
	CnosDB Time-Series Abandoned	2021	Relational	Time-Series Abandoned
	ArcadeDB Forked Code AI-Assisted	2021	Document / XML, Graph, Key-Value, Relational	Forked Code AI-Assisted
	NucliaDB Nearest Neighbor Search Engine	2021	Vector	Nearest Neighbor Search Engine
CQ	CQLite Abandoned	2021	Graph	Abandoned
	MatrixOne OLAP OLTP Streaming AI-Assisted	2021	Relational	OLAP OLTP Streaming AI-Assisted
	AnnaDB Abandoned NoSQL	2021	Document / XML	Abandoned NoSQL
	MyScaleDB OLAP Forked Code Abandoned Failed Company AI-Assisted	2021	Relational	OLAP Forked Code Abandoned Failed Company AI-Assisted
	LotusDB Abandoned OLTP	2021	Key-Value	Abandoned OLTP
CA	CamaDB Web Browser Abandoned NoSQL	2021	Document / XML	Web Browser Abandoned NoSQL
	LingoDB OLAP AI-Assisted	2021	Relational	OLAP AI-Assisted
	IceFireDB	2021	Key-Value
	MillenniumDB Web Browser	2021	Graph, Triplestore / RDF	Web Browser
	OpenSearch Forked Code Search Engine AI-Assisted	2021	Document / XML	Forked Code Search Engine AI-Assisted
HE	HelinDB Abandoned	2021	Key-Value	Abandoned
	EchoDB Abandoned	2021	Key-Value	Abandoned
	CamusDB NewSQL AI-Assisted	2021	Key-Value, Relational	NewSQL AI-Assisted
	Nile OLTP	2022	Relational	OLTP
	Sneller	2022	Document / XML
	SKDB OLTP AI-Assisted	2022	Relational	OLTP AI-Assisted
	CaskDB Abandoned	2022	Key-Value	Abandoned
	Cedalio Blockchain	2022	Document / XML	Blockchain
	Engula	2022	Key-Value
	CloverDB Abandoned NoSQL AI-Assisted	2022	Document / XML	Abandoned NoSQL AI-Assisted
	Infinity Nearest Neighbor	2022	Relational	Nearest Neighbor
	Instant Serverless Acquired Company NoSQL Hosting Service	2022	Relational	Serverless Acquired Company NoSQL Hosting Service
	FrostDB Time-Series Acquired Company	2022	Column Family / Wide-Column	Time-Series Acquired Company
	DiceDB OLTP	2022	Key-Value	OLTP
	ClickHouse Cloud Hosting Service	2022	—	Hosting Service
	Pail Peer-to-Peer	2022	Key-Value	Peer-to-Peer
	GlareDB Abandoned Middleware AI-Assisted	2022	Relational	Abandoned Middleware AI-Assisted
	PocketBase Abandoned	2022	Relational	Abandoned
MU	Mussel NewSQL	2022	Key-Value	NewSQL
	libSQL Forked Code OLTP	2022	Relational	Forked Code OLTP
	StoneDB OLAP Failed Company	2022	Relational	OLAP Failed Company
	GreptimeDB Time-Series AI-Assisted	2022	Relational	Time-Series AI-Assisted
	openGemini Time-Series AI-Assisted	2022	Relational	Time-Series AI-Assisted
	Chroma Acquired Company Nearest Neighbor AI-Assisted	2022	Document / XML	Acquired Company Nearest Neighbor AI-Assisted
	Seafowl OLAP Acquired Company Abandoned	2022	Relational	OLAP Acquired Company Abandoned
	EventSourcingDB Time-Series Immutable	2022	Document / XML	Time-Series Immutable
	MemCP OLAP AI-Assisted	2022	Relational	OLAP AI-Assisted
	OxidSQL Abandoned	2022	Relational	Abandoned
	Marqo Search Engine AI-Assisted	2022	Document / XML, Vector	Search Engine AI-Assisted
	MotherDuck Hosting Service	2022	Relational	Hosting Service
	LesbianDB Abandoned	2022	Document / XML	Abandoned
	Hydra OLAP Abandoned Failed Company	2022	Relational	OLAP Abandoned Failed Company
	FBase Time-Series Abandoned	2022	Relational	Time-Series Abandoned
	Fireproof Peer-to-Peer AI-Assisted	2022	Document / XML	Peer-to-Peer AI-Assisted
	VeloxDB OLTP	2022	Object-Oriented	OLTP
	AvantGraph	2022	Graph
	Theseus OLAP Failed Company	2022	Relational	OLAP Failed Company
	Polybase Blockchain	2022	Document / XML	Blockchain
	CozoDB Abandoned	2022	Relational	Abandoned
	ComposeDB Abandoned Blockchain	2022	Graph	Abandoned Blockchain
	AlloyDB OLAP Forked Code OLTP	2022	Relational	OLAP Forked Code OLTP
	RhizomeDB Abandoned Peer-to-Peer	2022	Relational	Abandoned Peer-to-Peer
	EuclidOLAP OLAP	2022	Array / Matrix	OLAP
PR	PranaDB Abandoned	2022	Relational	Abandoned
	bugfruit Abandoned	2022	Key-Value	Abandoned
	PhotonDB Abandoned	2022	Key-Value	Abandoned
	Basic	2023	Document / XML
	DocumentDB Middleware NoSQL AI-Assisted	2023	Document / XML	Middleware NoSQL AI-Assisted
	Endatabas OLAP Abandoned OLTP Immutable	2023	Document / XML, Relational	OLAP Abandoned OLTP Immutable
	AwaDB Abandoned Nearest Neighbor	2023	Document / XML, Vector	Abandoned Nearest Neighbor
	Monotone	2023	—
BU	Bunny Database Serverless	2023	Relational	Serverless
	CloseVector Nearest Neighbor	2023	Document / XML, Vector	Nearest Neighbor
	Cloudberry OLAP Forked Code Revival Project	2023	Relational	OLAP Forked Code Revival Project
	VectorDB Abandoned Nearest Neighbor	2023	Document / XML, Vector	Abandoned Nearest Neighbor
	FalkorDB AI-Assisted	2023	Graph	AI-Assisted
	SpacetimeDB OLTP AI-Assisted	2023	Relational	OLTP AI-Assisted
	SignalDB NoSQL AI-Assisted	2023	Document / XML	NoSQL AI-Assisted
	Kronotop NoSQL	2023	Document / XML	NoSQL
	LanceDB Search Engine AI-Assisted	2023	Document / XML	Search Engine AI-Assisted
	VeloDB Hosting Service	2023	Relational, Vector	Hosting Service
	chDB OLAP Acquired Company AI-Assisted	2023	Relational	OLAP Acquired Company AI-Assisted
	RayforceDB OLAP AI-Assisted	2023	Relational	OLAP AI-Assisted
	ParadeDB OLAP Nearest Neighbor Search Engine AI-Assisted	2023	Relational	OLAP Nearest Neighbor Search Engine AI-Assisted
	Swytch Cache	2023	Key-Value	Cache
	PuffinDB Serverless Abandoned	2023	Relational	Serverless Abandoned
EM	EmbedDB Time-Series	2023	Relational	Time-Series
	HollowDB Abandoned Blockchain	2023	Key-Value	Abandoned Blockchain
	dbeel Abandoned NoSQL	2023	Document / XML	Abandoned NoSQL
	Zvec Nearest Neighbor AI-Assisted	2023	Vector	Nearest Neighbor AI-Assisted
	DB5 Abandoned Nearest Neighbor	2023	Document / XML, Vector	Abandoned Nearest Neighbor
	CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	OLAP Forked Code OLTP
	Arroyo Acquired Company Streaming	2023	Relational	Acquired Company Streaming
	CursusDB Abandoned NoSQL	2023	Document / XML	Abandoned NoSQL
	ScratchDB OLAP Abandoned Middleware Hosting Service	2023	Document / XML	OLAP Abandoned Middleware Hosting Service
	GraphBase NoSQL	2023	Graph	NoSQL
	Glowdust Abandoned	2023	Relational	Abandoned
	Fjall OLTP	2023	Key-Value	OLTP
	Aurora DSQL Serverless OLTP	2023	Relational	Serverless OLTP
	HyperDB Parody / Joke Abandoned Nearest Neighbor	2023	Document / XML, Vector	Parody / Joke Abandoned Nearest Neighbor
	LonaDB Abandoned NoSQL	2023	Document / XML	Abandoned NoSQL
MK	mkdb Abandoned	2023	Relational	Abandoned
	OasysDB Abandoned Nearest Neighbor	2023	Key-Value, Vector	Abandoned Nearest Neighbor
	HexaDB	2023	Relational
	StereoDB Abandoned OLTP	2023	Relational	Abandoned OLTP
SY	SylvieJS Web Browser Abandoned	2023	Document / XML	Web Browser Abandoned
	VectorDB Abandoned Nearest Neighbor	2023	Document / XML, Vector	Abandoned Nearest Neighbor
	Amelie OLTP	2023	Relational	OLTP
TR	Traverse Web Browser NoSQL	2023	Graph	Web Browser NoSQL
CH	chromem-go Nearest Neighbor	2023	Vector	Nearest Neighbor
	turbopuffer Serverless Nearest Neighbor	2023	Vector	Serverless Nearest Neighbor
	HighContext Serverless	2023	Key-Value	Serverless
	BagelDB	2023	Vector
	Epsilla Nearest Neighbor	2023	Array / Matrix	Nearest Neighbor
	SlyceIO	2023	Document / XML
	Turso OLTP AI-Assisted	2023	Relational	OLTP AI-Assisted
	VennDB	2023	Relational
FE	Ferrite OLTP	2024	Relational	OLTP
JA	JameSQL Abandoned NoSQL	2024	Document / XML	Abandoned NoSQL
	NoKV NoSQL AI-Assisted	2024	Key-Value	NoSQL AI-Assisted
	LintDB Abandoned Nearest Neighbor	2024	Vector	Abandoned Nearest Neighbor
	nubmq Cache Abandoned	2024	Key-Value	Cache Abandoned
	ekoDB	2024	Document / XML
	SchemaJS Abandoned NoSQL	2024	Document / XML	Abandoned NoSQL
	k4 Time-Series Abandoned	2024	Key-Value	Time-Series Abandoned
ST	StormiDB Abandoned NoSQL	2024	Document / XML	Abandoned NoSQL
	TopK Nearest Neighbor Search Engine AI-Assisted	2024	Document / XML	Nearest Neighbor Search Engine AI-Assisted
	TukDB Abandoned Search Engine	2024	Document / XML	Abandoned Search Engine
	ScopeDB	2024	Relational
	CapyDB Nearest Neighbor	2024	Document / XML	Nearest Neighbor
	Sirius OLAP Query Engine AI-Assisted	2024	Relational	OLAP Query Engine AI-Assisted
	ShannonBase	2024	Relational, Vector
	SolarSystemDB Serverless Failed Company	2024	—	Serverless Failed Company
	TidesDB OLTP	2024	Column Family / Wide-Column	OLTP
MU	MuopDB Nearest Neighbor MMAP	2024	Vector	Nearest Neighbor MMAP
	Netlify Database Serverless Hosting Service	2024	Relational	Serverless Hosting Service
	Dare-DB NoSQL	2024	Key-Value	NoSQL
	VelarixDB	2024	Key-Value
	AverageDB Parody / Joke	2024	Document / XML	Parody / Joke
	Tablespace	2024	—
	ObsessionDB OLAP Hosting Service	2024	Relational	OLAP Hosting Service
OP	open-gpdb OLAP Forked Code	2024	Relational	OLAP Forked Code
	RushDB Multi-Model AI-Assisted	2024	Graph, Key-Value, Vector	Multi-Model AI-Assisted
	HelixDB OLTP Nearest Neighbor AI-Assisted	2024	Graph, Vector	OLTP Nearest Neighbor AI-Assisted
	SableDb Cache NoSQL	2024	Key-Value	Cache NoSQL
SB	sboxdb	2024	Relational
	Valkey Cache Forked Code NoSQL AI-Assisted	2024	Key-Value	Cache Forked Code NoSQL AI-Assisted
	Sklad NoSQL	2024	Key-Value	NoSQL
	SoloDB Serverless NoSQL	2024	Document / XML	Serverless NoSQL
	RedoxQL Abandoned	2024	Relational	Abandoned
	SereneDB OLAP OLTP Search Engine AI-Assisted	2024	Relational	OLAP OLTP Search Engine AI-Assisted
	voidDB Abandoned OLTP MMAP	2024	Key-Value	Abandoned OLTP MMAP
	YouTrackDB Forked Code AI-Assisted	2024	Graph	Forked Code AI-Assisted
	Redict Cache Forked Code Abandoned NoSQL	2024	Key-Value	Cache Forked Code Abandoned NoSQL
	BemiDB	2024	Relational
	RaptorDB Forked Code	2024	Relational	Forked Code
	Pixeltable Multi-Model	2024	—	Multi-Model
	SpiralDB OLAP	2024	Relational	OLAP
	ChromoDB Abandoned	2024	Key-Value	Abandoned
HA	HaystackDB Abandoned Nearest Neighbor MMAP	2024	Vector	Abandoned Nearest Neighbor MMAP
	Tonbo OLTP AI-Assisted	2024	Key-Value	OLTP AI-Assisted
	SlateDB AI-Assisted	2024	Key-Value	AI-Assisted
BR	BroDB Parody / Joke Abandoned	2024	Relational	Parody / Joke Abandoned
	AriaSQL Abandoned	2024	Relational	Abandoned
	GoatDB Web Browser AI-Assisted	2024	Document / XML	Web Browser AI-Assisted
	Ochi Time-Series	2025	—	Time-Series
HO	HorizonDB Geospatial	2025	Document / XML	Geospatial
	NarayanaDB OLAP AI-Assisted	2025	Relational	OLAP AI-Assisted
	Genesis DB Streaming	2025	Document / XML	Streaming
	Rapto	2025	—
	Pogocache Cache	2025	Key-Value	Cache
	VillageSQL Forked Code OLTP Revival Project AI-Assisted	2025	Relational	Forked Code OLTP Revival Project AI-Assisted
	Satori Nearest Neighbor	2025	Vector	Nearest Neighbor
	SeekDB AI-Assisted	2025	Relational, Vector	AI-Assisted
	ReifyDB OLTP	2025	Relational	OLTP
	OctaneDB Abandoned Nearest Neighbor	2025	Vector	Abandoned Nearest Neighbor
	Zu Cache Abandoned	2025	Key-Value	Cache Abandoned
	Kronicler Time-Series	2025	Relational	Time-Series
AN	AnuDB Serverless Abandoned NoSQL	2025	Document / XML	Serverless Abandoned NoSQL
	SwellDB Abandoned	2025	Relational	Abandoned
	SwarnDB	2025	—
	tsink Time-Series	2025	—	Time-Series
	Multigres Middleware AI-Assisted	2025	Relational	Middleware AI-Assisted
	UnisonDB Multi-Model	2025	Column Family / Wide-Column, Key-Value	Multi-Model
SQ	Squirreling Query Engine Web Browser AI-Assisted	2025	Relational	Query Engine Web Browser AI-Assisted
	jasonisnthappy OLTP	2025	Document / XML	OLTP
	GenosDB Web Browser AI-Assisted	2025	Graph	Web Browser AI-Assisted
	Frigatebird OLAP	2025	Relational	OLAP
DR	DriftDB Immutable AI-Assisted	2025	Relational	Immutable AI-Assisted
RE	Relatude.DB	2025	Graph, Object-Oriented
	YaraDB	2025	Document / XML
GR	GraphLite	2025	Graph
	Zentropy	2025	Key-Value
VA	Valthree Cache NoSQL	2025	Key-Value	Cache NoSQL
	Floe OLAP Forked Code Data Lake	2025	Relational	OLAP Forked Code Data Lake
	KektorDB Nearest Neighbor	2025	Graph	Nearest Neighbor
	Barrel DB	2025	Document / XML, Vector
	TonicDB OLTP	2025	Key-Value	OLTP
HY	HydrAIDE AI-Assisted	2025	Key-Value	AI-Assisted
	WarehousePG Forked Code AI-Assisted	2025	Relational	Forked Code AI-Assisted
	LadybugDB Forked Code Revival Project AI-Assisted	2025	Graph	Forked Code Revival Project AI-Assisted
	RudraDB Nearest Neighbor	2025	Document / XML, Vector	Nearest Neighbor
	Starskey Abandoned OLTP	2025	Key-Value	Abandoned OLTP
	NornicDB Nearest Neighbor AI-Assisted	2025	Graph	Nearest Neighbor AI-Assisted
	Stoolap OLAP OLTP	2025	Relational	OLAP OLTP
	KantoDB OLTP	2025	Relational	OLTP
	Neug AI-Assisted	2026	Graph	AI-Assisted
	HyperbyteDB Time-Series	2026	—	Time-Series
	SynapCores Multi-Model Nearest Neighbor	2026	Graph, Relational, Vector	Multi-Model Nearest Neighbor
	lakeql Query Engine AI-Assisted	2026	Relational	Query Engine AI-Assisted
	SparrowDB AI-Assisted	2026	Graph	AI-Assisted
	Antfly Search Engine	2026	Graph, Vector	Search Engine
SM	SmithDB OLAP	2026	—	OLAP
	IssunDB Serverless	2026	Graph, Vector	Serverless
	Nexir	2026	—
	HexxlaDB AI-Assisted	2026	Array / Matrix, Vector	AI-Assisted
SL	SlopDB Parody / Joke	2026	—	Parody / Joke
	AsaDB DBM	2026	Relational	DBM
	YantrikDB AI-Assisted	2026	Graph, Key-Value, Vector	AI-Assisted
	MenteDB AI-Assisted	2026	Vector, Graph	AI-Assisted
GI	GitDB Versioning	2026	Document / XML, Vector	Versioning
SA	Salvobase AI-Assisted	2026	Document / XML	AI-Assisted
KV	KVDB NoSQL	2026	Key-Value	NoSQL
	LogosDB AI-Assisted	2026	Vector	AI-Assisted
	Skeg Multi-Model	2026	—	Multi-Model
	RetractorDB	2026	—
DI	discodb Parody / Joke	2026	Relational	Parody / Joke
	BaraDB Multi-Model AI-Assisted	2026	Column Family / Wide-Column, Document / XML, Graph	Multi-Model AI-Assisted
	AionDB Multi-Model	2026	Vector, Graph, Relational	Multi-Model
	JabrDB Multi-Model	2026	—	Multi-Model
	RelativeDB	2026	—
	ZeptoDB Time-Series AI-Assisted	2026	—	Time-Series AI-Assisted
	Numstore Query Engine	2026	Array / Matrix	Query Engine
	SynnoDB	2026	—
	RawTree	2026	—
	ScramDB	2026	—
	PolyDB	2026	—
	Engram AI-Assisted	2026	Graph	AI-Assisted
	ChronoVec	2026	Vector
	OpenViking AI-Assisted	2026	Hierarchical	AI-Assisted
	ExtendDB Middleware AI-Assisted	2026	Key-Value, Document / XML	Middleware AI-Assisted
	NodeDB Multi-Model Nearest Neighbor AI-Assisted	2026	Vector, Graph, Array / Matrix, Document / XML, Relational	Multi-Model Nearest Neighbor AI-Assisted
	OliverDB	2026	—
	DB9 Serverless OLTP	2026	Relational	Serverless OLTP
	SlothDB	2026	Relational
EV	EvolvSQL OLTP	2026	Relational	OLTP
	Ark	2026	Relational
	NamiDB NoSQL	2026	Graph	NoSQL
	Endee Abandoned Nearest Neighbor AI-Assisted	2026	Vector	Abandoned Nearest Neighbor AI-Assisted
	mnestic Forked Code Revival Project AI-Assisted	2026	Relational	Forked Code Revival Project AI-Assisted
	Azure HorizonDB Forked Code	2026	Relational	Forked Code
	L	2026	—
VE	vecdb Nearest Neighbor Search Engine MMAP	2026	Document / XML, Vector	Nearest Neighbor Search Engine MMAP
	MobyDB	2026	Key-Value
	AllocDB	2026	Relational
	Grafeo AI-Assisted	2026	Graph, Triplestore / RDF	AI-Assisted
	Jazz AI-Assisted	2026	Relational	AI-Assisted
	SochDB AI-Assisted	2026	Graph, Relational, Vector	AI-Assisted
	FerresDB Nearest Neighbor AI-Assisted	2026	Vector	Nearest Neighbor AI-Assisted
	HydraDB Serverless Multi-Model Query Engine NoSQL	2026	Graph	Serverless Multi-Model Query Engine NoSQL
	StromaDB AI-Assisted	2026	Graph, Vector	AI-Assisted