443 Systems Found

Databases Available for Linux

443 results

Remove Remove

Save Search


	4store Abandoned	2009	Triplestore / RDF	Linux	Abandoned
	AceBase Web Browser	2018	Document / XML	Linux	Web Browser
	ActorDB Abandoned	2014	Relational	Linux	Abandoned
	Adaptive Server Enterprise Acquired Company	1987	Relational	Linux	Acquired Company
	Aerospike NoSQL AI-Assisted	2009	Document / XML, Key/Value, Vector	Linux	NoSQL AI-Assisted
	AgensGraph Forked Code Multi-Model Acquired Company	2013	Document / XML, Graph, Key/Value, Relational	Linux	Forked Code Multi-Model Acquired Company
	AKDB	2009	Relational	Linux
	AllegroGraph	2004	Triplestore / RDF	Linux
	AllocDB	2026	Relational	Linux
	Altibase OLTP	1999	Relational	Linux	OLTP
	Amelie OLTP	2023	Relational	Linux	OLTP
AN	AngstromDB Abandoned	2013	Key/Value	Linux	Abandoned
	AnnaDB Abandoned NoSQL	2021	Document / XML	Linux	Abandoned NoSQL
	Antfly Search Engine	2026	Graph, Vector	Linux	Search Engine
AN	AnuDB Serverless NoSQL	2025	Document / XML	Linux	Serverless NoSQL
	ArangoDB Multi-Model AI-Assisted	2011	Document / XML, Graph, Key/Value	Linux	Multi-Model AI-Assisted
	AresDB OLAP Abandoned	2018	Relational	Linux	OLAP Abandoned
	AriaSQL Abandoned	2024	Relational	Linux	Abandoned
	AvantGraph	2022	Graph	Linux
	Axibase Time-Series Failed Company	2004	—	Linux	Time-Series Failed Company
	BadgerDB AI-Assisted	2017	Key/Value	Linux	AI-Assisted
	BangDB Multi-Model NoSQL	2015	Key/Value	Linux	Multi-Model NoSQL
	Bedrock Blockchain OLTP AI-Assisted	2016	Relational	Linux	Blockchain OLTP AI-Assisted
	BemiDB	2024	Relational	Linux
	Beringei Time-Series Abandoned	2015	Key/Value	Linux	Time-Series Abandoned
	Berkeley DB Acquired Company OLTP DBM	1994	Document / XML, Key/Value	Linux	Acquired Company OLTP DBM
	BerylDB	2021	Key/Value	Linux
	Bitcask Abandoned	2019	Key/Value	Linux	Abandoned
	Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	Linux	Acquired Company Abandoned
	BlazingSQL OLAP Abandoned Failed Company	2015	Relational	Linux	OLAP Abandoned Failed Company
	Bleve Search Engine AI-Assisted	2014	Document / XML, Vector	Linux	Search Engine AI-Assisted
	BoJack Abandoned	2016	Key/Value	Linux	Abandoned
	BoltDB Abandoned	2013	Key/Value	Linux	Abandoned
	BonsaiDb	2021	Key/Value	Linux
	Brytlyt OLAP Forked Code Acquired Company	2013	Relational	Linux	OLAP Forked Code Acquired Company
	Btrieve Acquired Company	1982	Network	Linux	Acquired Company
	BusTub	2019	Relational	Linux
	Cachegrand Cache	2018	Key/Value	Linux	Cache
CA	Calvin Abandoned	2012	Relational	Linux	Abandoned
	CedarDB OLAP Forked Code OLTP	2023	Relational, Array / Matrix	Linux	OLAP Forked Code OLTP
	chDB OLAP Acquired Company AI-Assisted	2023	Relational	Linux	OLAP Acquired Company AI-Assisted
	Chroma Nearest Neighbor Search AI-Assisted	2022	Document / XML	Linux	Nearest Neighbor Search AI-Assisted
	ChromoDB Abandoned	2024	Key/Value	Linux	Abandoned
	ClearDB Acquired Company	2010	Relational	Linux	Acquired Company
	ClickHouse OLAP AI-Assisted	2016	Relational	Linux	OLAP AI-Assisted
	CloseVector Nearest Neighbor Search	2023	Document / XML, Vector	Linux	Nearest Neighbor Search
	Cloudberry OLAP Forked Code Revival Project	2023	Relational	Linux	OLAP Forked Code Revival Project
	Cloud BigTable	2005	Column Family / Wide-Column	Linux
	Clustrix NewSQL Acquired Company OLTP	2006	Relational	Linux	NewSQL Acquired Company OLTP
	CnosDB Time-Series	2021	Relational	Linux	Time-Series
	CockroachDB NewSQL OLTP AI-Assisted	2014	Relational	Linux	NewSQL OLTP AI-Assisted
	CoGaDB Abandoned	2012	Relational	Linux	Abandoned
	Column	2021	Relational	Linux
	CompleteDB Abandoned OLTP	2012	Relational	Linux	Abandoned OLTP
	Couchbase NoSQL	2010	Key/Value, Document / XML	Linux	NoSQL
	CouchDB NoSQL	2005	Document / XML	Linux	NoSQL
	CovenantSQL Abandoned Blockchain	2018	Relational	Linux	Abandoned Blockchain
	CozoDB	2022	Relational	Linux
CQ	CQL++ Failed Company	1994	Relational	Linux	Failed Company
CQ	CQLite Abandoned	2021	Graph	Linux	Abandoned
	CrossDB	2019	Relational	Linux
	C-Store Abandoned	2005	Relational	Linux	Abandoned
	CSV Comp DB	2007	Relational	Linux
	Cubrid AI-Assisted	2008	Relational	Linux	AI-Assisted
	CurioDB Abandoned NoSQL	2015	Key/Value	Linux	Abandoned NoSQL
	CursusDB Abandoned NoSQL	2023	Document / XML	Linux	Abandoned NoSQL
	D3 Acquired Company	1999	Relational	Linux	Acquired Company
	Dare-DB NoSQL	2024	Key/Value	Linux	NoSQL
	Databend AI-Assisted	2020	Relational	Linux	AI-Assisted
DA	DataBlitz OLTP	1993	Relational	Linux	OLTP
	Dataupia Failed Company	2005	Relational	Linux	Failed Company
	Db2	1983	Document / XML, Relational	Linux
	DBMaker	1994	Relational	Linux
	DBreeze Multi-Model	2012	Document / XML, Key/Value	Linux	Multi-Model
	DBx1000 Abandoned	2014	Relational	Linux	Abandoned
	DefraDB Peer-to-Peer AI-Assisted	2019	Document / XML	Linux	Peer-to-Peer AI-Assisted
	DeviceSQL Streaming	1998	Relational	Linux	Streaming
	DGraph Acquired Company AI-Assisted	2015	Graph	Linux	Acquired Company AI-Assisted
	DiggyDB Abandoned	2021	Document / XML	Linux	Abandoned
	Djondb Abandoned	2012	Document / XML	Linux	Abandoned
	DolphinDB Time-Series	2018	Relational	Linux	Time-Series
	Dolt Versioning AI-Assisted	2018	Relational	Linux	Versioning AI-Assisted
	Doris OLAP AI-Assisted	2017	Relational	Linux	OLAP AI-Assisted
	Dragonfly Cache AI-Assisted	2021	Key/Value	Linux	Cache AI-Assisted
	Dremio OLAP Query Engine Acquired Company Data Lake	2015	Relational	Linux	OLAP Query Engine Acquired Company Data Lake
	Drill OLAP AI-Assisted	2012	Column Family / Wide-Column	Linux	OLAP AI-Assisted
	Druid OLAP AI-Assisted	2011	Column Family / Wide-Column	Linux	OLAP AI-Assisted
	DuckDB OLAP AI-Assisted	2018	Relational	Linux	OLAP AI-Assisted
	DynomiteDB Cache Abandoned Middleware	2012	Key/Value	Linux	Cache Abandoned Middleware
	EcoDB Failed Company	2018	Document / XML	Linux	Failed Company
	EJDB	2012	Key/Value, Document / XML	Linux
	Elliptics Abandoned	2009	Key/Value	Linux	Abandoned
EM	EmbedDB Time-Series	2023	Relational	Linux	Time-Series
	Endatabas OLAP Abandoned OLTP Immutable	2023	Document / XML, Relational	Linux	OLAP Abandoned OLTP Immutable
	Engram AI-Assisted	2026	Graph	Linux	AI-Assisted
	Engula	2022	Key/Value	Linux
EN	EnnoDB Abandoned	2012	Key/Value	Linux	Abandoned
	EsgynDB Failed Company	2015	Relational	Linux	Failed Company
	Essentia Failed Company	—	Object-Oriented, Relational	Linux	Failed Company
	etcd Acquired Company	2013	Key/Value	Linux	Acquired Company
	EuclidesDB Abandoned	2018	Array / Matrix	Linux	Abandoned
	EuclidOLAP OLAP	2022	Array / Matrix	Linux	OLAP
	EVA DB Abandoned	2018	Relational	Linux	Abandoned
	EventSourcingDB Time-Series Immutable	2022	Document / XML	Linux	Time-Series Immutable
EV	EvolvSQL OLTP	2026	Relational	Linux	OLTP
	Exasol	2000	Relational	Linux
	ExtendDB Middleware AI-Assisted	2026	Key/Value, Document / XML	Linux	Middleware AI-Assisted
	eXtremeDB Cache Time-Series OLTP Middleware	2001	Column Family / Wide-Column, Entity-Relationship, Key/Value, Relational	Linux	Cache Time-Series OLTP Middleware
	FairCom DB	1984	—	Linux
	FalkorDB AI-Assisted	2023	Graph	Linux	AI-Assisted
	FastDB	2011	Relational	Linux
	FeatureBase Abandoned Search Engine	2017	Relational	Linux	Abandoned Search Engine
FE	Ferrite OLTP	2024	Relational	Linux	OLTP
	FileMaker Acquired Company	1985	Relational	Linux	Acquired Company
	Firebird AI-Assisted	2000	Relational	Linux	AI-Assisted
	Fjall OLTP	2023	Key/Value	Linux	OLTP
	Floe OLAP Forked Code Data Lake	2025	Relational	Linux	OLAP Forked Code Data Lake
FO	ForestDB Abandoned	2013	Key/Value	Linux	Abandoned
	FramerD	1996	Object-Oriented	Linux
	Frigatebird OLAP	2025	Relational	Linux	OLAP
	FrontBase	1993	Relational	Linux
	FuelDB Abandoned	2014	Document / XML	Linux	Abandoned
	Garnet Cache AI-Assisted	2021	Key/Value	Linux	Cache AI-Assisted
	GDBM DBM	1990	Key/Value	Linux	DBM
	GemStone/S	1986	Object-Oriented	Linux
	Genesis DB Streaming	2025	Document / XML	Linux	Streaming
	GenomicsDB	2016	Array / Matrix	Linux
	GhostDB Cache Abandoned	2020	Key/Value	Linux	Cache Abandoned
	GlareDB Abandoned Middleware AI-Assisted	2022	Relational	Linux	Abandoned Middleware AI-Assisted
	GlobalsDB	2011	Array / Matrix	Linux
	Glowdust	2023	Relational	Linux
GN	GNU SQL Server	1997	Relational	Linux
	GreatSQL	2020	Relational	Linux
	Greenplum OLAP Forked Code Acquired Company	2003	Relational	Linux	OLAP Forked Code Acquired Company
	GreptimeDB Time-Series AI-Assisted	2022	Relational	Linux	Time-Series AI-Assisted
	GridDB	2011	Key/Value	Linux
	Groonga AI-Assisted	2009	—	Linux	AI-Assisted
	GUN Peer-to-Peer	2014	Graph	Linux	Peer-to-Peer
	Hadapt OLAP Acquired Company Middleware	2009	Relational	Linux	OLAP Acquired Company Middleware
	HampusDB	2006	Key/Value	Linux
	HANA	2010	Column Family / Wide-Column	Linux
	HarperDB Serverless NoSQL	2017	Document / XML	Linux	Serverless NoSQL
	HAWQ OLAP Abandoned Middleware	2015	Relational	Linux	OLAP Abandoned Middleware
HA	HaystackDB Abandoned Nearest Neighbor Search MMAP	2024	Vector	Linux	Abandoned Nearest Neighbor Search MMAP
	Hekaton OLTP	2012	Relational	Linux	OLTP
	HelixDB OLTP Nearest Neighbor Search AI-Assisted	2024	Graph, Vector	Linux	OLTP Nearest Neighbor Search AI-Assisted
	HerdDB	2016	Relational	Linux
	HFSQL	—	—	Linux
	H-Store NewSQL Abandoned OLTP	2006	Relational	Linux	NewSQL Abandoned OLTP
	HStreamDB Streaming	2020	Relational	Linux	Streaming
	Hydra OLAP Abandoned Failed Company	2022	Relational	Linux	OLAP Abandoned Failed Company
	HyPer OLAP Acquired Company OLTP	2010	Relational	Linux	OLAP Acquired Company OLTP
	HyperDex Abandoned NoSQL	2011	Key/Value	Linux	Abandoned NoSQL
	HyperGraphDB	2007	Graph	Linux
	Hyrise OLAP	2009	Relational	Linux	OLAP
	iBoxDB Serverless Mobile NoSQL	2014	Document / XML	Linux	Serverless Mobile NoSQL
	Impala OLAP AI-Assisted	2013	Relational	Linux	OLAP AI-Assisted
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	Linux	OLAP Abandoned Failed Company
	Infinity Nearest Neighbor Search	2022	Relational	Linux	Nearest Neighbor Search
	Infino Query Engine Nearest Neighbor Search	—	Relational	Linux	Query Engine Nearest Neighbor Search
	Infobright OLAP Acquired Company	2005	Relational	Linux	OLAP Acquired Company
	Ingres Acquired Company	1974	Relational	Linux	Acquired Company
	InMemory.Net	2014	Relational	Linux
	InterBase Versioning Acquired Company	1984	Relational	Linux	Versioning Acquired Company
	IoTDB Time-Series AI-Assisted	2017	Hierarchical	Linux	Time-Series AI-Assisted
	IQ Acquired Company	1992	Relational	Linux	Acquired Company
	Irmin	2013	Document / XML	Linux
	ITTIA DB Time-Series OLTP	2000	Relational	Linux	Time-Series OLTP
JA	JameSQL NoSQL	2024	Document / XML	Linux	NoSQL
	jasonisnthappy OLTP	2025	Document / XML	Linux	OLTP
	Jazz AI-Assisted	2026	Relational	Linux	AI-Assisted
	Joedb	2014	Relational	Linux
	JoinBase Time-Series Abandoned	—	Relational	Linux	Time-Series Abandoned
	JSqlDb	2017	Document / XML	Linux
	JuliaDB Abandoned	2017	Relational	Linux	Abandoned
JU	JunoDB Abandoned NoSQL	—	Key/Value	Linux	Abandoned NoSQL
	JustinDB Abandoned	2015	Key/Value	Linux	Abandoned
	k4 Time-Series Abandoned	2024	Key/Value	Linux	Time-Series Abandoned
	Kai Abandoned	2008	Key/Value	Linux	Abandoned
	KantoDB OLTP	2025	Relational	Linux	OLTP
	Kdb+ Acquired Company	1998	Relational	Linux	Acquired Company
KE	KekeDB	—	Relational	Linux
	KenobiDB Abandoned Middleware	2019	Document / XML	Linux	Abandoned Middleware
	Kerf	2014	—	Linux
	Kinetica OLAP	2009	Relational	Linux	OLAP
KI	KingDB Abandoned MMAP	2012	Key/Value	Linux	Abandoned MMAP
	Kronicler Time-Series	2025	Relational	Linux	Time-Series
	Kudu OLTP	2016	Relational	Linux	OLTP
	Kunlun Abandoned	2019	Relational	Linux	Abandoned
	Kuzu Acquired Company Abandoned Nearest Neighbor Search	2020	Graph	Linux	Acquired Company Abandoned Nearest Neighbor Search
	Kvrocks NoSQL AI-Assisted	2019	Key/Value	Linux	NoSQL AI-Assisted
	Kyoto Cabinet	2009	Key/Value	Linux
	LanceDB Search Engine AI-Assisted	2023	Document / XML	Linux	Search Engine AI-Assisted
LA	Lazer	2013	Document / XML	Linux
	LeanStore OLTP	2018	Key/Value	Linux	OLTP
	LeanXcale OLAP OLTP	2010	Relational	Linux	OLAP OLTP
	LedisDB Abandoned NoSQL	2014	Key/Value	Linux	Abandoned NoSQL
	LevelDB MMAP	2011	Key/Value	Linux	MMAP
	libSQL Forked Code OLTP	2022	Relational	Linux	Forked Code OLTP
	LightDB Abandoned	2017	Array / Matrix	Linux	Abandoned
LI	LineairDB AI-Assisted	2020	Key/Value	Linux	AI-Assisted
	LingoDB OLAP AI-Assisted	2021	Relational	Linux	OLAP AI-Assisted
	LintDB Nearest Neighbor Search	2024	Vector	Linux	Nearest Neighbor Search
	Linter	1990	Relational	Linux
	LMDB MMAP DBM AI-Assisted	2011	Key/Value	Linux	MMAP DBM AI-Assisted
	lnx Search Engine	—	Document / XML	Linux	Search Engine
	LogosDB AI-Assisted	2026	Vector	Linux	AI-Assisted
	LonaDB NoSQL	2023	Document / XML	Linux	NoSQL
	LucidDB OLAP Abandoned	2004	Relational	Linux	OLAP Abandoned
	M3DB Time-Series AI-Assisted	2018	Relational	Linux	Time-Series AI-Assisted
	MangoDB Parody / Joke Abandoned NoSQL	2012	Document / XML	Linux	Parody / Joke Abandoned NoSQL
	Manticore Search Search Engine	2017	Relational	Linux	Search Engine
	MapR-DB Acquired Company	2012	Column Family / Wide-Column	Linux	Acquired Company
	MariaDB AI-Assisted	2009	Relational	Linux	AI-Assisted
	Marqo Search Engine AI-Assisted	2022	Document / XML, Vector	Linux	Search Engine AI-Assisted
	Materialize Streaming AI-Assisted	2019	Relational	Linux	Streaming AI-Assisted
	MaxDB OLTP	1977	Relational	Linux	OLTP
MD	MDBMS	1998	Relational	Linux
	Meilisearch Search Engine AI-Assisted	2018	Document / XML	Linux	Search Engine AI-Assisted
	Memcached Cache	2003	Key/Value	Linux	Cache
	MemCP OLAP AI-Assisted	2022	Relational	Linux	OLAP AI-Assisted
	Memgraph AI-Assisted	2016	Graph	Linux	AI-Assisted
	MenteDB AI-Assisted	2026	Vector, Graph	Linux	AI-Assisted
	MetalBase Abandoned	—	Relational	Linux	Abandoned
	Milvus Nearest Neighbor Search AI-Assisted	2019	Vector	Linux	Nearest Neighbor Search AI-Assisted
	Mimer SQL	1974	Relational	Linux
	Mimir Time-Series AI-Assisted	2016	Relational	Linux	Time-Series AI-Assisted
MK	mkdb	2023	Relational	Linux
	MonetDB OLAP MMAP	2002	Column Family / Wide-Column	Linux	OLAP MMAP
	MongoDB NoSQL AI-Assisted	2009	Document / XML	Linux	NoSQL AI-Assisted
	mSQL	1994	Relational	Linux
	Multigres Middleware AI-Assisted	2025	Relational	Linux	Middleware AI-Assisted
	MyScaleDB OLAP Forked Code Failed Company AI-Assisted	2021	Relational	Linux	OLAP Forked Code Failed Company AI-Assisted
	MySQL Acquired Company	1994	Relational	Linux	Acquired Company
	NamiDB NoSQL	2026	Graph	Linux	NoSQL
	Napa	2018	Relational	Linux
	NavDB Abandoned	2017	Key/Value, Relational	Linux	Abandoned
	NCache Cache	2015	Key/Value	Linux	Cache
	Nebula Graph	2018	Graph	Linux
	NEO	2005	Document / XML	Linux
	Neo4j NoSQL AI-Assisted	2007	Graph	Linux	NoSQL AI-Assisted
	Neon Serverless Forked Code Acquired Company OLTP	2021	Relational	Linux	Serverless Forked Code Acquired Company OLTP
	nessDB Abandoned	2011	Key/Value	Linux	Abandoned
	Netezza OLAP Acquired Company	1999	Relational	Linux	OLAP Acquired Company
	Neug AI-Assisted	2026	Graph	Linux	AI-Assisted
	NodeDB Multi-Model Nearest Neighbor Search AI-Assisted	2026	Vector, Graph, Array / Matrix, Document / XML, Relational	Linux	Multi-Model Nearest Neighbor Search AI-Assisted
	NoisePage	2018	Relational	Linux
	NoSQL Object Database Acquired Company NoSQL	1988	Object-Oriented	Linux	Acquired Company NoSQL
	Numstore Query Engine	2026	Array / Matrix	Linux	Query Engine
	NuoDB NewSQL Acquired Company	2010	Relational	Linux	NewSQL Acquired Company
	NutsDB AI-Assisted	2018	Key/Value	Linux	AI-Assisted
	OasysDB Nearest Neighbor Search	2023	Key/Value, Vector	Linux	Nearest Neighbor Search
	ObjectBox Time-Series Nearest Neighbor Search MMAP Mobile NoSQL	2016	Object-Oriented	Linux	Time-Series Nearest Neighbor Search MMAP Mobile NoSQL
	Objectivity/DB	1990	Object-Oriented	Linux
	OceanBase	2010	Relational	Linux
	Ocient	2016	Relational	Linux
	OctaneDB Nearest Neighbor Search	2025	Vector	Linux	Nearest Neighbor Search
	OctoSQL Query Engine Abandoned	2019	Relational	Linux	Query Engine Abandoned
	OlegDB MMAP NoSQL	2014	Key/Value	Linux	MMAP NoSQL
	OpenBase SQL Failed Company	1991	Relational	Linux	Failed Company
	OpenEdge OLTP	1984	Relational	Linux	OLTP
	openGemini Time-Series AI-Assisted	2022	Relational	Linux	Time-Series AI-Assisted
OP	open-gpdb OLAP Forked Code	2024	Relational	Linux	OLAP Forked Code
	OpenMLDB	2017	Relational	Linux
	OpenQM Acquired Company	1993	Multi-Value	Linux	Acquired Company
	Oracle RDBMS	1977	Key/Value, Graph, Triplestore / RDF, Document / XML, Relational	Linux
	OrbitDB Peer-to-Peer	2015	Document / XML, Key/Value	Linux	Peer-to-Peer
	OrioleDB Acquired Company AI-Assisted	2021	Relational	Linux	Acquired Company AI-Assisted
	Oxigraph	2018	Graph, Triplestore / RDF	Linux
	ParAccel OLAP Acquired Company	2006	Relational	Linux	OLAP Acquired Company
	ParadeDB OLAP Nearest Neighbor Search Search Engine AI-Assisted	2023	Relational	Linux	OLAP Nearest Neighbor Search Search Engine AI-Assisted
	ParStream OLAP Acquired Company Abandoned	2010	Relational	Linux	OLAP Acquired Company Abandoned
	Pebble AI-Assisted	2018	Key/Value	Linux	AI-Assisted
	picoSQL Abandoned	1995	Relational	Linux	Abandoned
	PieCloudDB OLAP	2021	Relational	Linux	OLAP
	Pincaster	2010	Document / XML	Linux
	PinusDB Abandoned	2019	Relational	Linux	Abandoned
PN	PNUTS Abandoned OLTP NoSQL	2008	Key/Value	Linux	Abandoned OLTP NoSQL
	PocketBase	2022	Relational	Linux
	pocketSQL Abandoned	2001	Relational	Linux	Abandoned
	Pogocache Cache	2025	Key/Value	Linux	Cache
	Polars Query Engine AI-Assisted	2020	—	Linux	Query Engine AI-Assisted
	PoloDB NoSQL	2020	Document / XML	Linux	NoSQL
	Polyhedra Acquired Company	1994	Relational	Linux	Acquired Company
	Polypheny	2017	Document / XML, Graph, Relational	Linux
	PosDB OLAP	2017	Relational	Linux	OLAP
	PostgreSQL OLTP	1986	Relational	Linux	OLTP
	Predator	1996	Relational	Linux
	PrimeBase OLTP	1990	Relational	Linux	OLTP
	Proton Streaming AI-Assisted	2021	Relational	Linux	Streaming AI-Assisted
	PumpkinDB Abandoned Immutable	2017	Key/Value	Linux	Abandoned Immutable
	Quadrable Abandoned	2020	Key/Value	Linux	Abandoned
	quasardb	2008	Key/Value	Linux
	QuestDB Time-Series AI-Assisted	2014	Relational	Linux	Time-Series AI-Assisted
	Quickstep OLAP Abandoned	2013	Relational	Linux	OLAP Abandoned
	Quickwit Acquired Company Search Engine AI-Assisted	2021	Document / XML	Linux	Acquired Company Search Engine AI-Assisted
	RaimaDB Time-Series	1984	Network, Relational	Linux	Time-Series
	RamSQL	2014	Relational	Linux
	Raphtory OLAP AI-Assisted	2020	Graph	Linux	OLAP AI-Assisted
	RavenDB MMAP NoSQL AI-Assisted	2009	Document / XML, Key/Value	Linux	MMAP NoSQL AI-Assisted
	RayforceDB OLAP AI-Assisted	2023	Relational	Linux	OLAP AI-Assisted
	/rdb Abandoned	1984	Relational	Linux	Abandoned
	ReadySet Cache Middleware AI-Assisted	2020	Relational	Linux	Cache Middleware AI-Assisted
	redb OLTP AI-Assisted	2018	Key/Value	Linux	OLTP AI-Assisted
	Redict Cache Forked Code NoSQL	2024	Key/Value	Linux	Cache Forked Code NoSQL
	Redis Cache OLTP AI-Assisted	2009	Key/Value	Linux	Cache OLTP AI-Assisted
	RedisGraph	2018	Graph	Linux
	ReductStore Time-Series AI-Assisted	2021	Key/Value	Linux	Time-Series AI-Assisted
	ReifyDB OLTP	2025	Relational	Linux	OLTP
	RelationalCloud Abandoned	2010	Relational	Linux	Abandoned
	RethinkDB Failed Company NoSQL	2009	Document / XML	Linux	Failed Company NoSQL
	RexDB Acquired Company	2006	Relational	Linux	Acquired Company
	RhizomeDB Abandoned Peer-to-Peer	2022	Relational	Linux	Abandoned Peer-to-Peer
	RisingLight	2021	Relational	Linux
	RisingWave Streaming AI-Assisted	2021	Relational	Linux	Streaming AI-Assisted
	Rockall-DB	—	—	Linux
	RocksDB Forked Code OLTP	2012	Key/Value	Linux	Forked Code OLTP
	RonDB OLTP AI-Assisted	2020	Key/Value, Relational	Linux	OLTP AI-Assisted
	RoseDB NoSQL AI-Assisted	2020	Key/Value	Linux	NoSQL AI-Assisted
	rqlite AI-Assisted	2014	Relational	Linux	AI-Assisted
	SableDb Cache NoSQL	2024	Key/Value	Linux	Cache NoSQL
	Scalaris Abandoned	2009	Key/Value	Linux	Abandoned
	ScaleOut StateServer	2005	Key/Value	Linux
	ScalienDB Abandoned Failed Company	2010	Key/Value	Linux	Abandoned Failed Company
	SchoonerSQL Acquired Company OLTP	2007	Relational	Linux	Acquired Company OLTP
	SciDB OLAP	2008	Array / Matrix	Linux	OLAP
	Scylla NoSQL AI-Assisted	2014	Key/Value, Column Family / Wide-Column	Linux	NoSQL AI-Assisted
	SearchBlox Search Engine	2003	Document / XML	Linux	Search Engine
	Sedna Abandoned	2003	Document / XML	Linux	Abandoned
	SeekDB AI-Assisted	2025	Relational, Vector	Linux	AI-Assisted
	Sequins Abandoned	2014	Key/Value	Linux	Abandoned
	SequoiaDB	2011	Document / XML	Linux
	SereneDB OLAP OLTP Search Engine AI-Assisted	2024	Relational	Linux	OLAP OLTP Search Engine AI-Assisted
SH	Shore Abandoned OLTP	1995	Object-Oriented	Linux	Abandoned OLTP
SH	Shore-MT Forked Code OLTP	2007	Object-Oriented	Linux	Forked Code OLTP
	shsql	2002	Relational	Linux
	SignalDB NoSQL AI-Assisted	2023	Document / XML	Linux	NoSQL AI-Assisted
	SingleStore OLAP NewSQL Acquired Company OLTP	2011	Document / XML, Key/Value, Multi-Value, Object-Oriented, Relational, Vector	Linux	OLAP NewSQL Acquired Company OLTP
	Sirius OLAP Query Engine AI-Assisted	2024	Relational	Linux	OLAP Query Engine AI-Assisted
	SKDB OLTP AI-Assisted	2022	Relational	Linux	OLTP AI-Assisted
	Sklad NoSQL	2024	Key/Value	Linux	NoSQL
	Skyrise OLAP Serverless Query Engine	2019	Relational	Linux	OLAP Serverless Query Engine
	SlateDB AI-Assisted	2024	Key/Value	Linux	AI-Assisted
	Sled	2016	Key/Value	Linux
	SleekDB	2018	Document / XML	Linux
	SlothDB	2026	Relational	Linux
	solidDB Acquired Company OLTP	1992	Relational	Linux	Acquired Company OLTP
	Solr Search Engine NoSQL AI-Assisted	2004	Document / XML	Linux	Search Engine NoSQL AI-Assisted
	Sophia Abandoned OLTP NoSQL	2014	Key/Value	Linux	Abandoned OLTP NoSQL
	SpacetimeDB OLTP AI-Assisted	2023	Relational	Linux	OLTP AI-Assisted
SP	Sparkey Abandoned Immutable	2013	Key/Value	Linux	Abandoned Immutable
	SparkleDB OLTP	2013	Graph	Linux	OLTP
	Sparksee	2006	Graph, Object-Oriented	Linux
	SparrowDB AI-Assisted	2026	Graph	Linux	AI-Assisted
	Speedy Abandoned	—	Relational	Linux	Abandoned
	Sphinx Search Engine	2001	Document / XML	Linux	Search Engine
	SplinterDB NoSQL	2018	Key/Value	Linux	NoSQL
	Splunk Acquired Company Search Engine	2002	Key/Value	Linux	Acquired Company Search Engine
	SQLBase Acquired Company	1984	Relational	Linux	Acquired Company
	SQLflex	—	Relational	Linux
	SQLite OLTP	2000	Relational	Linux	OLTP
	SQL Server	1988	Relational	Linux
	SQream OLAP	2010	Relational	Linux	OLAP
	Sqrrl Acquired Company NoSQL	2012	Graph, Key/Value	Linux	Acquired Company NoSQL
	SSDB Abandoned	2013	Key/Value	Linux	Abandoned
	StarRocks OLAP AI-Assisted	2021	Relational, Column Family / Wide-Column	Linux	OLAP AI-Assisted
	StereoDB OLTP	2023	Relational	Linux	OLTP
	Stoolap OLAP OLTP	2025	Relational	Linux	OLAP OLTP
	Streambase Acquired Company Streaming	2003	Relational	Linux	Acquired Company Streaming
	Supra Server SQL Acquired Company OLTP	1989	Relational	Linux	Acquired Company OLTP
	SurrealDB Serverless Multi-Model AI-Assisted	2016	Document / XML, Graph, Relational	Linux	Serverless Multi-Model AI-Assisted
	SWC-DB Abandoned	2019	Column Family / Wide-Column, Key/Value	Linux	Abandoned
	Tantivy Search Engine MMAP AI-Assisted	2016	Document / XML	Linux	Search Engine MMAP AI-Assisted
	Tarantool	2008	Key/Value	Linux
	TayzGrid	—	Object-Oriented	Linux
	Tdbengine	1985	Relational	Linux
	TDengine Time-Series AI-Assisted	2017	Relational	Linux	Time-Series AI-Assisted
TE	Tera Abandoned	2014	Column Family / Wide-Column	Linux	Abandoned
	Teradata	1979	Document / XML, Graph, Relational	Linux
	TerarkDB Forked Code Acquired Company	2016	Key/Value	Linux	Forked Code Acquired Company
	Theseus OLAP Failed Company	2022	Relational	Linux	OLAP Failed Company
	ThreadDB Abandoned Peer-to-Peer	2019	Document / XML	Linux	Abandoned Peer-to-Peer
	Tibero OLTP	2003	Relational	Linux	OLTP
	TiDB NewSQL AI-Assisted	2015	Key/Value	Linux	NewSQL AI-Assisted
	TidesDB OLTP	2024	Column Family / Wide-Column	Linux	OLTP
	TigerBeetle	2020	Relational	Linux
	TigerGraph	2012	Graph	Linux
	TiKV AI-Assisted	2016	Key/Value	Linux	AI-Assisted
	TileDB NoSQL	2014	Array / Matrix	Linux	NoSQL
	Timbala Time-Series Abandoned	2016	Relational	Linux	Time-Series Abandoned
	TimescaleDB Time-Series AI-Assisted	2017	Relational	Linux	Time-Series AI-Assisted
	TimesTen Acquired Company OLTP	1996	Relational	Linux	Acquired Company OLTP
	Tkrzw DBM	2020	Key/Value	Linux	DBM
	TokuMX Forked Code Acquired Company Abandoned	2013	Document / XML	Linux	Forked Code Acquired Company Abandoned
	Tokyo Cabinet	2006	Key/Value	Linux
	TopK Nearest Neighbor Search Search Engine AI-Assisted	2024	Document / XML	Linux	Nearest Neighbor Search Search Engine AI-Assisted
	ToplingDB Forked Code AI-Assisted	2021	Key/Value	Linux	Forked Code AI-Assisted
	toyDB	2019	Relational	Linux
	Trafodion Abandoned	2014	Column Family / Wide-Column	Linux	Abandoned
	TransLattice NewSQL Failed Company	2007	Relational	Linux	NewSQL Failed Company
	Trousseau	2013	Key/Value	Linux
	Truviso Acquired Company Streaming	2006	Relational	Linux	Acquired Company Streaming
	tsink Time-Series	2025	—	Linux	Time-Series
	TuGraph	2021	Graph	Linux
	Turso OLTP AI-Assisted	2023	Relational	Linux	OLTP AI-Assisted
	TypeDB AI-Assisted	2016	Entity-Relationship, Graph	Linux	AI-Assisted
TY	Typhoon Abandoned	1996	Relational	Linux	Abandoned
	Ultipa OLAP OLTP NoSQL	2019	Graph	Linux	OLAP OLTP NoSQL
	Umbra OLAP OLTP	2018	Array / Matrix, Relational	Linux	OLAP OLTP
	UnisonDB Multi-Model	2025	Column Family / Wide-Column, Key/Value	Linux	Multi-Model
	UnumDB Abandoned Failed Company	2015	Document / XML, Graph, Key/Value, Array / Matrix	Linux	Abandoned Failed Company
	Valentina Database OLTP	1998	Relational	Linux	OLTP
	Valkey Cache Forked Code NoSQL AI-Assisted	2024	Key/Value	Linux	Cache Forked Code NoSQL AI-Assisted
VA	Valthree Cache NoSQL	2025	Key/Value	Linux	Cache NoSQL
	Vearch Nearest Neighbor Search Search Engine	2019	Document / XML, Vector	Linux	Nearest Neighbor Search Search Engine
VE	vecdb Nearest Neighbor Search Search Engine MMAP	2026	Document / XML, Vector	Linux	Nearest Neighbor Search Search Engine MMAP
	Vector OLAP Acquired Company	2009	Relational	Linux	OLAP Acquired Company
	VectorDB Abandoned Nearest Neighbor Search	2023	Document / XML, Vector	Linux	Abandoned Nearest Neighbor Search
	VectorSQL OLAP Abandoned	2020	Relational	Linux	OLAP Abandoned
	VelarixDB	2024	Key/Value	Linux
	Velox OLAP Query Engine AI-Assisted	2020	Relational	Linux	OLAP Query Engine AI-Assisted
	VeloxDB OLTP	2022	Object-Oriented	Linux	OLTP
	VennDB	2023	Relational	Linux
	VertexDB Abandoned	2009	Graph	Linux	Abandoned
	Vertica OLAP Forked Code Acquired Company	2005	Relational	Linux	OLAP Forked Code Acquired Company
	Vespa Search Engine AI-Assisted	1997	Document / XML	Linux	Search Engine AI-Assisted
	VillageSQL Forked Code OLTP Revival Project AI-Assisted	2025	Relational	Linux	Forked Code OLTP Revival Project AI-Assisted
	Vitess Middleware AI-Assisted	2011	Relational	Linux	Middleware AI-Assisted
	voidDB OLTP MMAP	2024	Key/Value	Linux	OLTP MMAP
	VoltDB NewSQL	2009	Relational	Linux	NewSQL
	WarehousePG Forked Code AI-Assisted	2025	Relational	Linux	Forked Code AI-Assisted
	WebScaleSQL Forked Code Abandoned	2014	Relational	Linux	Forked Code Abandoned
	WiredTiger Acquired Company AI-Assisted	2008	Key/Value	Linux	Acquired Company AI-Assisted
	Xata Forked Code AI-Assisted	2020	Relational	Linux	Forked Code AI-Assisted
	Yaacomo OLAP Failed Company	2008	Relational	Linux	OLAP Failed Company
	YantrikDB AI-Assisted	2026	Graph, Key/Value, Vector	Linux	AI-Assisted
	YDB NewSQL OLTP AI-Assisted	2014	Relational	Linux	NewSQL OLTP AI-Assisted
	Yellowbrick OLAP	2014	Relational	Linux	OLAP
	YugabyteDB Forked Code OLTP AI-Assisted	2016	Key/Value, Relational	Linux	Forked Code OLTP AI-Assisted
	Zentropy	2025	Key/Value	Linux
	ZeptoDB Time-Series AI-Assisted	2026	—	Linux	Time-Series AI-Assisted
	Zu Cache	2025	Key/Value	Linux	Cache
	Zvec Nearest Neighbor Search	2023	Vector	Linux	Nearest Neighbor Search