Databases Licensed Under GPL v2 · Database of Databases


	3store Abandoned	2003	Triplestore / RDF	GPL v2	Abandoned
	AceDB Abandoned	1989	—	GPL v2	Abandoned
	BlackRay Failed Company	2005	Relational	GPL v2	Failed Company
	Blazegraph Acquired Company Abandoned	2006	Graph, Triplestore / RDF	GPL v2	Acquired Company Abandoned
	Cheetah xBase	2005	Relational	GPL v2	xBase
CQ	CQL++ Failed Company	1994	Relational	GPL v2	Failed Company
	CSQL Abandoned Failed Company	2005	Relational	GPL v2	Abandoned Failed Company
	Cubrid AI-Assisted	2008	Relational	GPL v2	AI-Assisted
	Daffodil DB Abandoned OLTP	2003	Relational	GPL v2	Abandoned OLTP
	db4o Acquired Company Abandoned	2000	Object-Oriented	GPL v2	Acquired Company Abandoned
	Drizzle Forked Code Abandoned	2008	Relational	GPL v2	Forked Code Abandoned
	EdgelessDB Abandoned	2021	Relational	GPL v2	Abandoned
	FramerD	1996	Object-Oriented	GPL v2
	GDBM DBM	1990	Key-Value	GPL v2	DBM
GN	GNU SQL Server	1997	Relational	GPL v2
	GreatSQL	2020	Relational	GPL v2
	InfiniDB OLAP Abandoned Failed Company	2000	Relational	GPL v2	OLAP Abandoned Failed Company
KE	KekeDB	—	Relational	GPL v2
	LEAP	1997	Relational	GPL v2
LI	LINCKS	—	Object-Oriented	GPL v2
	LucidDB OLAP Abandoned	2004	Relational	GPL v2	OLAP Abandoned
	Manticore Search Search Engine	2017	Relational	GPL v2	Search Engine
	MariaDB AI-Assisted	2009	Relational	GPL v2	AI-Assisted
	Mckoi SQL Database Abandoned Failed Company	1998	Relational	GPL v2	Abandoned Failed Company
	MillenniumDB Web Browser	2021	Graph, Triplestore / RDF	GPL v2	Web Browser
	MySQL Acquired Company	1994	Relational	GPL v2	Acquired Company
ND	NDB Cluster Acquired Company OLTP	—	Key-Value	GPL v2	Acquired Company OLTP
	NeoDatis ODB Abandoned	2006	Object-Oriented	GPL v2	Abandoned
	Ocelot Failed Company	2001	Relational	GPL v2	Failed Company
	ODABA	1994	Object-Oriented	GPL v2
	OpenQM Acquired Company	1993	Multi-Value	GPL v2	Acquired Company
	picoSQL Abandoned	1995	Relational	GPL v2	Abandoned
	pocketSQL Abandoned	2001	Relational	GPL v2	Abandoned
	PosDB OLAP	2017	Relational	GPL v2	OLAP
	Predator	1996	Relational	GPL v2
	RonDB OLTP AI-Assisted	2020	Key-Value, Relational	GPL v2	OLTP AI-Assisted
	ShannonBase	2024	Relational, Vector	GPL v2
	shsql	2002	Relational	GPL v2
	Sphinx Search Engine	2001	Document / XML	GPL v2	Search Engine
	Strozzi NoSQL	1989	Relational	GPL v2
	STSdb Failed Company	2008	Key-Value	GPL v2	Failed Company
	TokuDB Acquired Company Abandoned	2009	Relational	GPL v2	Acquired Company Abandoned
	TokuMX Forked Code Acquired Company Abandoned	2013	Document / XML	GPL v2	Forked Code Acquired Company Abandoned
	VillageSQL Forked Code OLTP Revival Project AI-Assisted	2025	Relational	GPL v2	Forked Code OLTP Revival Project AI-Assisted
	Virtuoso	1998	Relational	GPL v2
	WebScaleSQL Forked Code Abandoned	2014	Relational	GPL v2	Forked Code Abandoned
	WiredTiger Acquired Company AI-Assisted	2008	Key-Value	GPL v2	Acquired Company AI-Assisted
	Xapian Search Engine	2001	Document / XML	GPL v2	Search Engine