Databases Supporting C · Database of Databases


	3store Abandoned	2003	Triplestore / RDF	C	Abandoned
	Adaptive Server Enterprise Acquired Company	1987	Relational	C	Acquired Company
	Aerospike NoSQL AI-Assisted	2009	Document / XML, Key-Value, Vector	C	NoSQL AI-Assisted
	Altibase OLTP	1999	Relational	C	OLTP
	Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	C	Acquired Company Abandoned
	Brytlyt OLAP Forked Code Acquired Company	2013	Relational	C	OLAP Forked Code Acquired Company
	Cassandra NoSQL AI-Assisted	2008	Key-Value, Column Family / Wide-Column	C	NoSQL AI-Assisted
	ClickHouse OLAP AI-Assisted	2016	Relational	C	OLAP AI-Assisted
	Couchbase NoSQL	2010	Key-Value, Document / XML	C	NoSQL
	CouchDB NoSQL	2005	Document / XML	C	NoSQL
	CrossDB Abandoned	2019	Relational	C	Abandoned
	Cubrid AI-Assisted	2008	Relational	C	AI-Assisted
	Datascope	1996	Relational	C
DQ	Dqlite	2017	Relational	C
	Drill OLAP AI-Assisted	2012	Column Family / Wide-Column	C	OLAP AI-Assisted
	DuckDB OLAP AI-Assisted	2018	Relational	C	OLAP AI-Assisted
	EJDB	2012	Key-Value, Document / XML	C
	Elliptics Abandoned	2009	Key-Value	C	Abandoned
	EsgynDB Failed Company	2015	Relational	C	Failed Company
EX	Extensible Storage Engine	1994	Key-Value	C
	eXtremeDB Cache Time-Series OLTP Middleware	2001	Key-Value, Entity-Relationship, Relational, Column Family / Wide-Column	C	Cache Time-Series OLTP Middleware
	Firebird AI-Assisted	2000	Relational	C	AI-Assisted
	Gaia Abandoned Failed Company	2020	Object-Oriented	C	Abandoned Failed Company
	GDBM DBM	1990	Key-Value	C	DBM
	GridDB	2011	Key-Value	C
	HampusDB	2006	Key-Value	C
	HyperDex Abandoned NoSQL	2011	Key-Value	C	Abandoned NoSQL
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	C	OLAP Abandoned Failed Company
	InterBase Versioning Acquired Company	1984	Relational	C	Versioning Acquired Company
	IonDB Abandoned	2015	Key-Value	C	Abandoned
	Just Logic/SQL OLTP	1994	Relational	C	OLTP
	Kdb+ Acquired Company	1998	Relational	C	Acquired Company
KE	KekeDB	—	Relational	C
	Kunlun Abandoned	2019	Relational	C	Abandoned
	Kyoto Cabinet DBM	2009	Key-Value	C	DBM
	LedisDB Abandoned NoSQL	2014	Key-Value	C	Abandoned NoSQL
	Linter	1990	Relational	C
	LMDB MMAP DBM AI-Assisted	2011	Key-Value	C	MMAP DBM AI-Assisted
	MariaDB AI-Assisted	2009	Relational	C	AI-Assisted
	Memgraph AI-Assisted	2016	Graph	C	AI-Assisted
	MetalBase Abandoned	—	Relational	C	Abandoned
	MongoDB NoSQL AI-Assisted	2009	Document / XML	C	NoSQL AI-Assisted
	mSQL	1994	Relational	C
	NavDB Abandoned	2017	Key-Value, Relational	C	Abandoned
	nessDB Abandoned	2011	Key-Value	C	Abandoned
	NonStop SQL Acquired Company OLTP	1987	Relational	C	Acquired Company OLTP
	Numstore Query Engine	2026	Array / Matrix	C	Query Engine
	NuoDB NewSQL Acquired Company	2010	Relational	C	NewSQL Acquired Company
	ObjectBox Time-Series Nearest Neighbor MMAP Mobile NoSQL	2016	Object-Oriented	C	Time-Series Nearest Neighbor MMAP Mobile NoSQL
	OceanBase	2010	Relational	C
	openGemini Time-Series AI-Assisted	2022	Relational	C	Time-Series AI-Assisted
	Oracle RDBMS	1977	Key-Value, Graph, Triplestore / RDF, Document / XML, Relational	C
	OrientDB Multi-Model Acquired Company NoSQL	2010	Document / XML, Graph, Key-Value, Object-Oriented	C	Multi-Model Acquired Company NoSQL
	PieCloudDB OLAP	2021	Relational	C	OLAP
	PinusDB Abandoned	2019	Relational	C	Abandoned
	quasardb	2008	Key-Value	C
	QuestDB Time-Series AI-Assisted	2014	Relational	C	Time-Series AI-Assisted
	RaimaDB Time-Series	1984	Network, Relational	C	Time-Series
	RedisGraph	2018	Graph	C
	RocksDB Forked Code OLTP	2012	Key-Value	C	Forked Code OLTP
	SequoiaDB	2011	Document / XML	C
	Sphinx Search Engine	2001	Document / XML	C	Search Engine
	SplinterDB NoSQL	2018	Key-Value	C	NoSQL
	SQLflex	—	Relational	C
	SQLite OLTP	2000	Relational	C	OLTP
	Sqrrl Acquired Company NoSQL	2012	Graph, Key-Value	C	Acquired Company NoSQL
	SWC-DB Abandoned	2019	Column Family / Wide-Column, Key-Value	C	Abandoned
	Tarantool	2008	Key-Value	C
	Tdbengine	1985	Relational	C
	TDengine Time-Series AI-Assisted	2017	Relational	C	Time-Series AI-Assisted
	Teradata	1979	Document / XML, Graph, Relational	C
	TerarkDB Forked Code Acquired Company	2016	Key-Value	C	Forked Code Acquired Company
	Tibero OLTP	2003	Relational	C	OLTP
	TiDB NewSQL AI-Assisted	2015	Key-Value	C	NewSQL AI-Assisted
	TileDB NoSQL	2014	Array / Matrix	C	NoSQL
	Tokyo Cabinet DBM	2006	Key-Value	C	DBM
	TrailDB Abandoned	2014	Relational	C	Abandoned
	Vector OLAP Acquired Company	2009	Relational	C	OLAP Acquired Company
	Vedis Abandoned	2014	Key-Value	C	Abandoned
	WhiteDB Abandoned	2008	Network	C	Abandoned
	WiredTiger Acquired Company AI-Assisted	2008	Key-Value	C	Acquired Company AI-Assisted
	YugabyteDB Forked Code OLTP AI-Assisted	2016	Key-Value, Relational	C	Forked Code OLTP AI-Assisted