Databases Governed by Apache Software Foundation


	Accumulo NoSQL	2008	Column Family / Wide-Column	Apache Software Foundation	NoSQL
	AGEDB Middleware AI-Assisted	2019	Graph	Apache Software Foundation	Middleware AI-Assisted
	AsterixDB OLAP AI-Assisted	2009	Document / XML	Apache Software Foundation	OLAP AI-Assisted
	Cassandra NoSQL AI-Assisted	2008	Key/Value, Column Family / Wide-Column	Apache Software Foundation	NoSQL AI-Assisted
	Couchbase NoSQL	2010	Key/Value, Document / XML	Apache Software Foundation	NoSQL
	CouchDB NoSQL	2005	Document / XML	Apache Software Foundation	NoSQL
	DataFusion Query Engine AI-Assisted	2016	Relational	Apache Software Foundation	Query Engine AI-Assisted
	Derby Acquired Company Abandoned Project OLTP	1997	Relational	Apache Software Foundation	Acquired Company Abandoned Project OLTP
	Doris OLAP AI-Assisted	2017	Relational	Apache Software Foundation	OLAP AI-Assisted
	Drill OLAP AI-Assisted	2012	Column Family / Wide-Column	Apache Software Foundation	OLAP AI-Assisted
	Druid OLAP AI-Assisted	2011	Column Family / Wide-Column	Apache Software Foundation	OLAP AI-Assisted
	Geode Cache Forked Code OLTP NoSQL	2015	Key/Value	Apache Software Foundation	Cache Forked Code OLTP NoSQL
	Hadoop OLAP AI-Assisted	2006	—	Apache Software Foundation	OLAP AI-Assisted
	HAWQ OLAP Abandoned Project Middleware	2015	Relational	Apache Software Foundation	OLAP Abandoned Project Middleware
	HBase NoSQL	2007	Column Family / Wide-Column	Apache Software Foundation	NoSQL
	Hive OLAP	2010	Relational	Apache Software Foundation	OLAP
	HoraeDB Time-Series Abandoned Project	2021	Relational	Apache Software Foundation	Time-Series Abandoned Project
	HugeGraph Middleware AI-Assisted	2017	Graph	Apache Software Foundation	Middleware AI-Assisted
	Ignite	2014	Key/Value	Apache Software Foundation
	Impala OLAP AI-Assisted	2013	Relational	Apache Software Foundation	OLAP AI-Assisted
	IoTDB Time-Series AI-Assisted	2017	Hierarchical	Apache Software Foundation	Time-Series AI-Assisted
	Jackrabbit	2004	Object-Oriented	Apache Software Foundation
	Jena AI-Assisted	2000	Triplestore / RDF	Apache Software Foundation	AI-Assisted
KA	KahaDB	—	—	Apache Software Foundation
	Kudu OLTP	2016	Relational	Apache Software Foundation	OLTP
	Kvrocks NoSQL AI-Assisted	2019	Key/Value	Apache Software Foundation	NoSQL AI-Assisted
	Kylin	2013	Key/Value	Apache Software Foundation
	Kyuubi Middleware AI-Assisted	2017	Relational	Apache Software Foundation	Middleware AI-Assisted
	Lucene Search Engine MMAP AI-Assisted	1999	Document / XML	Apache Software Foundation	Search Engine MMAP AI-Assisted
	Phoenix Middleware	2014	Relational	Apache Software Foundation	Middleware
	Pinot OLAP AI-Assisted	2014	Relational	Apache Software Foundation	OLAP AI-Assisted
	Quickstep OLAP Abandoned Project	2013	Relational	Apache Software Foundation	OLAP Abandoned Project
	ResilientDB Blockchain	2019	Document / XML	Apache Software Foundation	Blockchain
	Rya Abandoned Project Middleware NoSQL	2012	Triplestore / RDF	Apache Software Foundation	Abandoned Project Middleware NoSQL
	ShardingSphere AI-Assisted	2016	Relational	Apache Software Foundation	AI-Assisted
	Solr Search Engine NoSQL AI-Assisted	2004	Document / XML	Apache Software Foundation	Search Engine NoSQL AI-Assisted
	Spark SQL OLAP AI-Assisted	2014	—	Apache Software Foundation	OLAP AI-Assisted
	Tajo OLAP Abandoned Project	2012	Relational	Apache Software Foundation	OLAP Abandoned Project
	Trafodion Abandoned Project	2014	Column Family / Wide-Column	Apache Software Foundation	Abandoned Project
	Zookeeper	2008	Hierarchical	Apache Software Foundation