Browse · Database of Databases

1010data 2000 Relational 3store 2003 Triplestore / RDF 4D 1984 Relational 4store 2009 Triplestore / RDF AB abhot 2017 — Access 1992 Relational Accumulo 2008 Column Family / Wide-Column AceBase 2018 Document / XML AceDB 1989 — ActorDB 2014 Relational Adabas 1971 Network Adaptive Server Enterprise 1987 Relational Advantage Database Server 1993 Relational Aerospike 2009 Document / XML, Key/Value, Vector AG AgateDB 2019 Key/Value AGEDB 2019 Graph AgensGraph 2013 Document / XML, Graph, Key/Value, Relational AionDB 2026 Graph, Relational, Vector Aito 2017 — AKDB 2009 Relational Akiban 2009 — Akumuli 2013 — Akutan 2019 Triplestore / RDF AlaSQL 2014 Document / XML, Relational AL AlchemyDB 2010 Relational Alenka 2012 Relational Algebraix 2009 — AL Allbase/SQL — — AllegroGraph 2004 Triplestore / RDF AllocDB 2026 Relational AlloyDB 2022 Relational AL allydb 2025 — Altibase 1999 Relational Altinity 2017 — Amelie 2023 Relational Amisa Server 2014 Document / XML AncelusDB 1983 Entity-Relationship AN AngstromDB 2013 Key/Value AnnaDB 2021 Document / XML AnnDB 2020 Vector AntDB — Relational Antfly 2026 Graph, Vector Antidote 2015 Key/Value AN AnuDB 2025 Document / XML AnzoGraph 2007 Graph AO AODBM 2011 — AP Apollo 2014 Document / XML Apollo 1999 — Approach 1991 Relational Arakoon 2010 Key/Value ArangoDB 2011 Document / XML, Graph, Key/Value ArcadeDB 2021 Document / XML, Graph, Key/Value, Relational ArcticDB 2018 Relational AR Ardb 2013 Key/Value AresDB 2018 Relational AriaSQL 2024 Relational Ark 2026 Relational Arroyo 2023 — AS Asami 2018 Graph Assassin 2020 Key/Value Aster Data 2005 Relational AsterixDB 2009 Document / XML Atlas 2014 — AtomicDB 2011 Object-Oriented Atoti 2005 Relational Aurora 2014 Relational Aurora DSQL 2023 Relational AvantGraph 2022 Graph AverageDB 2024 Document / XML AvionDB 2020 Document / XML AwaDB 2023 Document / XML, Vector Axibase 2004 — Axion 2002 Relational Azure HorizonDB 2026 Relational Azure SQL Database 2009 Relational BabuDB 2008 Key/Value BadgerDB 2017 Key/Value BagelDB 2023 Vector Bagri 2014 Document / XML BaikalDB 2018 Relational BangDB 2015 Key/Value BaraDB 2026 Column Family / Wide-Column, Document / XML, Graph Barrel DB DocDB 2025 — Barrel DB Vector 2025 — BaseX 2007 Document / XML Basic 2023 Document / XML BASIS — Relational BayesDB 2015 — BB bbolt 2017 Key/Value BBoxDB 2015 Array / Matrix Beagle SQL 1996 Relational Bedrock 2016 Relational BemiDB 2024 Relational BergDB 2013 Document / XML Beringei 2015 Key/Value Berkeley DB 1994 Document / XML, Key/Value BerylDB 2021 Key/Value BigchainDB 2015 Document / XML, Key/Value BigQuery 2010 Document / XML BI BinaryRage 2012 Key/Value Bitcask 2019 Key/Value Bitsy 2013 Graph BitYota 2011 Relational BlackRay 2005 Relational Blazegraph 2006 Graph, Triplestore / RDF BlazingSQL 2015 Relational Bleve 2014 Document / XML, Vector BlinkDB 2012 Relational BlobCity 2015 Document / XML, Relational Blueflood 2013 Column Family / Wide-Column BoJack 2016 Key/Value BoltDB 2013 Key/Value BonsaiDb 2021 Key/Value BrightstarDB 2012 Triplestore / RDF BR BroDB 2024 Relational Brytlyt 2013 Relational BTDB 2010 Key/Value, Object-Oriented BTrDB 2014 Relational Btrieve 1982 Network BU Bubba 1988 Object-Oriented bugfruit 2022 Key/Value BU Bunny Database 2023 Relational BuntDB 2016 Key/Value BusTub 2019 Relational ByConity 2020 Relational Caché 1997 Array / Matrix Cachegrand 2018 Key/Value CA Calvin 2012 Relational CA CamaDB 2021 Document / XML CapyDB 2024 Document / XML CaskDB 2022 Key/Value Cassandra 2008 Key/Value, Column Family / Wide-Column CastleDB 2012 Document / XML Cayley 2014 Triplestore / RDF CD cdb 1996 Key/Value Cedalio 2022 Document / XML CedarDB 2023 Relational, Array / Matrix CH ChaiSQL 2018 Document / XML chaozzDB 2008 — chDB 2023 Relational Cheetah 2005 Relational CheetahDB 2018 Relational Chroma 2022 Document / XML CH chromem-go 2023 Vector ChromoDB 2024 Key/Value Chronicle Map 2014 Key/Value Chronix 2015 — Citus 2010 Relational ClearDB 2010 Relational ClickHouse 2016 Relational ClickHouse Cloud 2022 — CloseVector 2023 Document / XML, Vector Cloudant 2008 Document / XML Cloudberry 2023 Relational Cloud BigTable 2005 Column Family / Wide-Column Cloud Datastore 2013 Document / XML Cloud Firestore 2017 Document / XML CloudKit 2008 Document / XML Cloud Memorystore — — CL CloudSearch 2012 Document / XML Cloud Spanner 2007 — Cloud SQL 2012 Relational CloverDB 2022 Document / XML Clusterpoint 2006 Document / XML Clustrix 2006 Relational CnosDB 2021 Relational CockroachDB 2014 Relational CodernityDB 2011 Key/Value CoGaDB 2012 Relational CogDB 2017 Triplestore / RDF Coherence 2000 Object-Oriented Column 2021 Relational Comdb2 2004 Relational Compass 2006 Document / XML, Object-Oriented CompleteDB 2012 Relational ComposeDB 2022 Graph ComputeDB 2015 Relational ConceptBase.cc 1995 Object-Oriented Concourse 2012 Document / XML Condensation 2020 Object-Oriented CO ConfluxDB 2014 — Consus 2004 Relational Consus 2015 Key/Value CO CORAL 1988 — CoreObject 2007 Object-Oriented CornerStone 1985 Relational CortexDB 2014 Document / XML, Key/Value Cosmos DB 2015 Key/Value, Graph, Column Family / Wide-Column Couchbase 2010 Key/Value, Document / XML CouchDB 2005 Document / XML CovenantSQL 2018 Relational CozoDB 2022 Relational CQ CQL++ 1994 Relational CQ CQLite 2021 Graph CrateDB 2014 — Crescando 2009 Relational CrossDB 2019 Relational CrowdDB 2011 Relational CruzDB 2016 — CSQL 2005 Relational C-Store 2005 Relational CSV Comp DB 2007 Relational cubeSQL 2003 Relational CubicWeb 2000 Graph Cubrick 2016 Column Family / Wide-Column Cubrid 2008 Relational CurioDB 2015 Key/Value CursusDB 2023 Document / XML D3 1999 Relational Daffodil DB 2003 Relational DaggerDB 2014 Relational DalmatinerDB 2014 — Dare-DB 2024 Key/Value dashDB 2014 — Databend 2020 Relational DA DataBlitz 1993 Relational DataEase 1981 Relational DataFusion 2016 Relational Datahike 2018 Key/Value Datalevin 2020 Document / XML DATAllegro 2003 Relational Datameer 2009 — Datascope 1996 Relational DataScript 2014 Key/Value DataStax 2010 — Dataupia 2005 Relational Datomic 2012 Key/Value Db2 1983 Document / XML, Relational DB4IoT 2016 Document / XML db4o 2000 Object-Oriented DB5 2023 Document / XML, Vector DB9 2026 Relational dBASE 1979 Relational dbeel 2023 Document / XML DBIX 1996 — DBMaker 1994 Relational DB DBMS-20 — Network DB DBOMP 1968 Hierarchical DBreeze 2012 Document / XML, Key/Value DBx1000 2014 Relational DeepDB 2010 Relational DefraDB 2019 Document / XML DegDB 2015 Graph Delta Lake 2019 Column Family / Wide-Column DensoDB 2012 Document / XML Derby 1997 Relational DeveelDB 2009 Relational DeviceSQL 1998 Relational DGraph 2015 Graph DiceDB 2022 Key/Value DiggyDB 2021 Document / XML DI DIRECT 1978 Relational DI discodb 2026 — DittoBitto 2001 Relational Djondb 2012 Document / XML DMSII 1972 Network Dnaerys — — DocumentDB 2019 Document / XML DocumentDB 2023 Document / XML DolphinDB 2018 Relational Dolt 2018 Relational Doris 2017 Relational Doxa 2021 Document / XML DQ Dqlite 2017 Relational Dragonfly 2021 Key/Value Dremio 2015 Relational DR DriftDB 2025 Relational Drill 2012 Column Family / Wide-Column Drizzle 2008 Relational Druid 2011 Column Family / Wide-Column DuckDB 2018 Relational DuctileDB 2015 Graph DyBASE — Object-Oriented Dydra 2010 Triplestore / RDF DynamoDB 2012 Document / XML, Key/Value DynomiteDB 2012 Key/Value Earthstar 2020 Document / XML EA EaseDB 2013 Document / XML EasyDB 2019 Document / XML EchoDB 2021 Key/Value EcoDB 2018 Document / XML EdgelessDB 2021 Relational Edis 2010 Key/Value EffiProz — Relational Ehcache 2003 Key/Value EinsteinDB 2019 Key/Value EJDB 2012 Key/Value, Document / XML ekoDB 2024 Document / XML Elara DB 2021 Key/Value ElaSQL 2016 Relational Elasticsearch 2004 Document / XML ElephantDB 2011 Key/Value ElevateDB 2006 Relational Elevator 2012 Key/Value EliasDB 2016 Graph Elliptics 2009 Key/Value Eloquera 2008 Object-Oriented EM EmbedDB 2023 Relational Empress 1979 Relational EN Encompass 1981 Relational Endatabas 2023 Document / XML, Relational Endeca 1999 Document / XML Endee 2026 — Engram 2026 Graph Engula 2022 Key/Value EN EnnoDB 2012 Key/Value Epsilla 2023 Array / Matrix EraDB 2019 Document / XML EsgynDB 2015 Relational Espresso 2011 Document / XML Essbase 1992 Array / Matrix Essentia — Object-Oriented, Relational etcd 2013 Key/Value EuclidesDB 2018 Array / Matrix EuclidOLAP 2022 Array / Matrix Eva — Entity-Attribute-Value EVA DB 2018 Relational EVCache 2012 Key/Value EventQL 2014 Relational EventSourcingDB 2022 Document / XML evitaDB 2020 Document / XML EV EvolvSQL 2026 Relational Exasol 2000 Relational eXist-db 2000 Document / XML Exorbyte 2000 — Express 1970 Array / Matrix ExtendDB 2026 Key/Value, Document / XML EX Extensible Storage Engine 1994 Key/Value eXtremeDB 2001 Column Family / Wide-Column, Entity-Relationship, Key/Value, Relational EyeDB 1992 Object-Oriented eyros 2018 Array / Matrix FairCom DB 1984 — Falcon 2006 — FalkorDB 2023 Graph Fallen-8 2011 Graph FastDB 2011 Relational FASTER 2018 Key/Value FastObjects 1993 Object-Oriented FatDB 2012 Key/Value FathomDB 2009 — FaunaDB 2012 Document / XML, Graph, Key/Value, Relational FBase 2022 Relational FeatureBase 2017 Relational FeatureForm 2020 Vector FerresDB 2026 — FerretDB 2021 Document / XML FE Ferrite 2024 Relational FI FileDb 2011 Relational FileDB 2010 Key/Value FileMaker 1985 Relational FiloDB 2015 — FinchDB 2015 Document / XML FineDB 2013 Key/Value Firebase 2011 Document / XML Firebird 2000 Relational Firebolt 2020 Relational Fireproof 2022 Document / XML FirstSQL/J 2001 Relational Fjall 2023 Key/Value FlashDB 2020 Key/Value FL FlashFiler 1985 — FL FleetDB 2009 Document / XML FL FlockDB 2010 Graph Floe 2025 Relational Fluree 2017 Document / XML, Graph, Triplestore / RDF, Relational FO Fongo 2012 Document / XML FO ForestDB 2013 Key/Value FoundationDB 2009 Key/Value FoxPro 1984 Relational FramerD 1996 Object-Oriented Frigatebird 2025 Relational FrontBase 1993 Relational FrostDB 2022 Column Family / Wide-Column FuelDB 2014 Document / XML FusionDB 2019 Document / XML GA Gadfly 1994 Relational Gaffer 2016 Entity-Relationship Gaia 2020 Object-Oriented Galaxybase 2013 Graph GA Gamma 1986 Relational Garnet 2021 Key/Value GaussDB 2011 Relational GBase 2010 — GDBM 1990 Key/Value Gel 2018 Relational GemStone/S 1986 Object-Oriented Genesis DB 2025 Document / XML GenieDB 2008 Relational GenomicsDB 2016 Array / Matrix GenosDB 2025 — Geode 2015 Key/Value GeoSpock DB 2013 Relational GhostDB 2020 Key/Value GigaBASE — Relational GI GitDB 2026 — GlareDB 2022 Relational GlobalsDB 2011 Array / Matrix Glowdust 2023 Relational Gnocchi 2014 Relational GN GNU SQL Server 1997 Relational GoatDB 2024 Document / XML GoldenDB — — Goldilocks 2010 Relational GO GOLD STAR 1970 — GOODS — Object-Oriented GO Google F1 2013 Relational GoshawkDB 2015 Object-Oriented GR GRACE 1981 Relational Grafeo 2026 — GraphBase — Graph GraphDB 2000 Triplestore / RDF GrapheekDB 2014 Key/Value, Graph GrapheneDB 2012 Graph Graphik 2020 Document / XML GR GraphLite 2025 — Graviton 2020 Key/Value GreatSQL 2020 Relational Greenplum 2003 Relational GreptimeDB 2022 Relational GridDB 2011 Key/Value GridGain 2007 Key/Value Groonga 2009 — GT.M 1986 Key/Value GUN 2014 Graph H2 2004 Relational Hadapt 2009 Relational Hadoop 2006 — HailDB 2010 Key/Value HA Haixun — — HA HaloDB 2017 Key/Value HA HaloDB Revive 2017 — HampusDB 2006 Key/Value HANA 2010 Column Family / Wide-Column HA HanoiDB 2012 Key/Value HarperDB 2017 Document / XML HAWQ 2015 Relational HA HaystackDB 2024 Vector Hazelcast 2008 Key/Value HBase 2007 Column Family / Wide-Column HeavyDB 2013 Relational Hekaton 2012 Relational HE HelinDB 2021 — Helium 2017 Key/Value HelixDB 2024 Graph, Vector HerdDB 2016 Relational Heroic 2015 Key/Value HexaDB 2023 Relational HexxlaDB 2026 — HFSQL — — Hibari 2005 Key/Value HighContext 2023 Key/Value HI hipsterDB 2013 Key/Value HiRDB 1994 Document / XML, Relational Histore 2018 Key/Value Hive 2010 Relational Hive 2019 Key/Value HollowDB 2023 Key/Value HoraeDB 2021 Relational HO HorizonDB 2025 Document / XML hss.db 2009 Relational H-Store 2006 Relational HStreamDB 2020 Relational HugeGraph 2017 Graph Husky 2020 Document / XML Hydra 2022 Relational HY HydrAIDE 2025 — HyPer 2010 Relational HyperDB 2023 Document / XML, Vector HyperDex 2011 Key/Value HyperGraphDB 2007 Graph HyperSQL 2001 Relational Hypertable 2008 Column Family / Wide-Column Hyrise 2009 Relational iBoxDB 2014 Document / XML Icecoal 2020 Relational IceFireDB 2021 Key/Value IDMS 1973 Network Ignite 2014 Key/Value Illustra 1992 Relational ImmortalDB 2018 Key/Value Immudb 2019 Key/Value Impala 2013 Relational IMS 1966 Hierarchical Indica 2014 — IndraDB 2016 Graph InfiniDB 2000 Relational Infinispan 2009 Key/Value InfiniSQL 2013 Relational InfiniteGraph 2010 Graph Infinity 2022 Relational InfinityDB 2002 Key/Value, Graph, Array / Matrix, Hierarchical, Relational Infino — Relational InfluxDB 2013 Column Family / Wide-Column Infobright 2005 Relational InfoFrame 2013 Relational InfoGrid 2008 Graph Informix 1980 Relational Ingres 1974 Relational InMemory.Net 2014 Relational Instant — — InstantDB 1997 Relational IN Integrated Data Store 1964 Network InterBase 1984 Relational IonDB 2015 Key/Value IoTDB 2017 Hierarchical IQ 1992 Relational IQrypt 2015 Document / XML IR IRIS — — Irmin 2013 Document / XML IssunDB 2026 — ITTIA DB 2000 Relational Jackrabbit 2004 Object-Oriented Jade 1996 Object-Oriented JaguarDB 2017 Array / Matrix, Key/Value JA JameSQL 2024 Document / XML JanusGraph 2012 Graph JasDB 2013 Document / XML jasonisnthappy 2025 Document / XML Jazz 2026 Relational jBASE 1989 Multi-Value Jena 2000 Triplestore / RDF JinDB 2019 — Joedb 2014 Relational JoinBase — Relational JS JSDB 2020 Document / XML JSONBin.io 2017 Document / XML jsonstore.io 2018 Document / XML JSqlDb 2017 Document / XML JuliaDB 2017 Relational JU JunoDB — Key/Value JustinDB 2015 Key/Value Just Logic/SQL 1994 Relational JustOneDB 2010 Relational k4 2024 Key/Value KA KahaDB — — Kai 2008 Key/Value KairosDB 2013 — KantoDB 2025 Relational Kappa 1989 Relational KA KarelDB 2019 Relational Kdb+ 1998 Relational KE KekeDB — Relational KektorDB 2025 Graph KenobiDB 2019 Document / XML Kerf 2014 — KeyDB 2019 — Kinetica 2009 Relational Kingbase 1999 — KI KingDB 2012 Key/Value Kinto 2014 Document / XML KirbyBase 2003 — KitaroDB 2012 Key/Value Kognitio — — KR Krati 2010 Key/Value Kronicler 2025 Relational Kronotop 2023 Document / XML ksqlDB 2017 Key/Value, Relational Kubl 1994 Relational Kudu 2016 Relational Kunlun 2019 Relational KurrentDB 2012 Document / XML Kuzu 2020 Graph KVdb 2018 Key/Value KV KVDB 2026 — Kvrocks 2019 Key/Value Kylin 2013 Key/Value Kyoto Cabinet 2009 Key/Value KY Kyoto Tycoon — Key/Value Kyuubi 2017 Relational LadybugDB 2025 Graph lakeql 2026 Relational LanceDB 2023 Document / XML LA Lazer 2013 Document / XML LazyDB 2020 Document / XML Lealone 2012 Relational LeanStore 2018 Key/Value LeanXcale 2010 Relational LEAP 1997 Relational LedisDB 2014 Key/Value LesbianDB 2022 Document / XML LevelDB 2011 Key/Value LI libmdbx 2015 Key/Value libSQL 2022 Relational LightCloud 2009 Key/Value LightDB 2017 Array / Matrix LightDB 2021 Document / XML LI LINCKS — Object-Oriented LinDB 2019 Column Family / Wide-Column LI LineairDB 2020 Key/Value LingoDB 2021 Relational LintDB 2024 Vector Linter 1990 Relational LiteDB 2014 Document / XML LI LittleD — — LL LlamaDB 2015 — LMDB 2011 Key/Value lnx — Document / XML LocalSQL 2001 Relational LocustDB 2017 Relational LogicBlox — — LogosDB 2026 Vector LokiJS 2013 Document / XML LO LokiVector 2013 — LonaDB 2023 Document / XML LotusDB 2021 Key/Value Lovefield 2014 Relational LO LowDB 2014 Document / XML Lucene 1999 Document / XML LucidDB 2004 Relational LungoDB 2019 Document / XML M3DB 2018 Relational Machbase 2017 Relational madIS 2009 Relational Magma 2002 Object-Oriented MammothDB 2012 Relational MangoDB 2012 Document / XML MA Manhattan 2014 — Manticore Search 2017 Relational MapDB 2012 Object-Oriented MapR-DB 2012 Column Family / Wide-Column MarcelloDB 2014 Object-Oriented MariaDB 2009 Relational Mariposa 1994 Relational MarkLogic 2001 Document / XML, Triplestore / RDF Marqo 2022 Document / XML, Vector Materialize 2019 Relational Matisse 1986 Document / XML MatrixOne 2021 Relational MaxDB 1977 Relational MC mcdb 2010 Key/Value Mckoi SQL Database 1998 Relational MD MDBM 2012 Key/Value MD MDBMS 1998 Relational Meilisearch 2018 Document / XML Memcached 2003 Key/Value MemCP 2022 Relational Memgraph 2016 Graph Memstate 2017 Object-Oriented Mentat 2016 Relational MenteDB 2026 Vector, Graph MetalBase — Relational MillenniumDB 2021 Graph, Triplestore / RDF Milvus 2019 Vector Mimer SQL 1974 Relational Mimir 2016 Relational MK mkdb 2023 Relational MLDB 2015 — MM MMKV 2018 — Mnesia — Relational MobyDB 2026 Key/Value MO Model 204 1965 Entity-Attribute-Value ModeShape 2008 Object-Oriented Mondrian 2002 Relational MonetDB 2002 Column Family / Wide-Column MongoDB 2009 Document / XML Mongrel 2021 Key/Value MonographDB 2021 Relational Monotone 2023 — MotherDuck 2022 Relational mSQL 1994 Relational MU MUFFIN 1979 Relational Mulgara 2006 Triplestore / RDF Multigres 2025 Relational MU MuopDB 2024 — MU Mussel 2022 Key/Value mutable 2019 — mvBase — Multi-Value MyScaleDB 2021 Relational MySQL 1994 Relational NamiDB 2026 Graph NA Nanolat 2012 Key/Value Napa 2018 Relational NarayanaDB 2025 — NavDB 2017 Key/Value, Relational NCache 2015 Key/Value NDatabase — Object-Oriented ND NDB Cluster — Key/Value Nebula Graph 2018 Graph NeDB 2013 Document / XML NEO 2005 Document / XML Neo4j 2007 Graph NeoDatis ODB 2006 Object-Oriented Neon 2021 Relational NE Neoview 2007 Relational Neptune 2018 Graph, Triplestore / RDF nessDB 2011 Key/Value Netezza 1999 Relational Netlify Database 2024 Relational Neug 2026 Graph NeuroDB 2020 Graph NexusDB 2003 Relational Nile 2022 Relational Ninja Database — Object-Oriented, Relational Nitrite 2017 Document / XML NodeDB 2026 Vector, Graph, Array / Matrix, Document / XML, Relational NoisePage 2018 Relational NoKV 2024 Key/Value Noms 2015 Document / XML NonStop SQL 1987 Relational NornicDB 2025 Graph NosDB 2013 Document / XML NoSQL Object Database 1988 Object-Oriented nubmq 2024 — NucliaDB 2021 Vector NuDB 2016 Key/Value Numstore 2026 Array / Matrix NunDB 2018 Object-Oriented NuoDB 2010 Relational NutsDB 2018 Key/Value O2 1990 Object-Oriented OasysDB 2023 Key/Value, Vector ObjectBox 2016 Object-Oriented ObjectDatabase++ 2003 Object-Oriented ObjectDB 2010 Object-Oriented Objectivity/DB 1990 Object-Oriented ObjectStore 1988 Object-Oriented ObsessionDB 2024 Relational OceanBase 2010 Relational Ocelot 2001 Relational Ocient 2016 Relational OctaneDB 2025 Vector OctopusDB 2010 — OctoSQL 2019 Relational ODABA 1994 Object-Oriented OlegDB 2014 Key/Value OnceDB 2016 Document / XML OneDB 2020 Relational OpenBase SQL 1991 Relational OpenEdge 1984 Relational openGemini 2022 Relational OP open-gpdb 2024 Relational OpenMLDB 2017 Relational OpenQM 1993 Multi-Value OpenSearch 2021 Document / XML OpenTSDB 2010 Key/Value OpenViking 2026 — Opteryx 2021 Relational Oracle NoSQL 2011 Key/Value Oracle RDBMS 1977 Key/Value, Graph, Triplestore / RDF, Document / XML, Relational OrbitDB 2015 Document / XML, Key/Value OrientDB 2010 Document / XML, Graph, Key/Value, Object-Oriented OrigoDB 2011 Key/Value, Graph, Object-Oriented, Document / XML, Relational OrioleDB 2021 Relational OS OSIsoft PI — — OushuDB 2016 Relational Ovrimos 1996 — Oxia 2021 Key/Value OxidSQL 2022 Relational Oxigraph 2018 Graph, Triplestore / RDF Oxla 2020 Relational Pail 2022 Key/Value PA PalDB 2015 Key/Value PancakeDB 2021 — Paper 2015 Key/Value, Object-Oriented ParAccel 2006 Relational ParadeDB 2023 Relational PA Paradise 1994 Object-Oriented Paradox 1985 Relational ParStream 2010 Relational PE PearlDB 2015 Key/Value Pebble 2018 Key/Value Percona Server 2006 Relational Perst 2003 Object-Oriented Pervasive PSQL 1996 Key/Value, Relational PE Peterlee Relational Test Vehicle 1970 Relational Phoenix 2014 Relational PhotonDB 2022 Key/Value pickleDB 2011 Document / XML PI PicoDB 2016 Document / XML picoSQL 1995 Relational PieCloudDB 2021 Relational Pika 2014 Key/Value piladb 2015 Object-Oriented Pilosa 2017 Vector Pincaster 2010 Document / XML Pinecone 2019 Vector Pinot 2014 Relational PinusDB 2019 Relational PipelineDB 2013 Relational PlanetScale 2018 Relational PN PNUTS 2008 Key/Value PocketBase 2022 Relational pocketSQL 2001 Relational Pogocache 2025 Key/Value Pogreb 2018 Key/Value PointBase 1998 Relational PolarDB 2017 Relational Polars 2020 — PoloDB 2020 Document / XML Polybase 2022 Document / XML Polyhedra 1994 Relational Polypheny 2017 Document / XML, Graph, Relational PosDB 2017 Relational PostgreSQL 1986 Relational PouchDB 2010 Document / XML PR PranaDB 2022 Relational Predator 1996 Relational PrestoDB 2013 Document / XML, Key/Value, Column Family / Wide-Column, Relational PrimeBase 1990 Relational PR PRISMA 1986 Relational ProfaneDB 2017 Object-Oriented Prometheus 2012 Key/Value Proteus 2015 Relational Proton 2021 Relational ProtonBase 2021 Document / XML, Relational ProvenDB 2018 Document / XML P*TIME 2000 Relational PuffinDB 2023 Relational PumpkinDB 2017 Key/Value PupDB 2019 Key/Value PysonDB 2020 Document / XML Qdrant 2020 Vector qikkDB 2019 Relational Qizx 2004 Document / XML ql 2013 Relational QLDB 2018 Document / XML qlever 2014 — Qserv 2011 Relational Quadcap Embeddable Database 1999 Relational Quadrable 2020 Key/Value quasardb 2008 Key/Value QuestDB 2014 Relational QU Quickbase — — Quickstep 2013 Relational Quickwit 2021 Document / XML QuineDB 2016 Key/Value Quokka 2021 Relational RadonDB 2018 Relational RageDB 2021 Graph RaimaDB 1984 Network, Relational RainStor 2004 Relational RamSQL 2014 Relational Raphtory 2020 Graph RapidsDB 2014 — RaptorDB 2024 Relational RaptorDB 2012 Document / XML Rasdaman 1989 Array / Matrix RavenDB 2009 Document / XML, Key/Value RayforceDB 2023 Relational R:BASE 1981 Relational /rdb 1984 Relational RD RDBMS 1974 Relational Rdb/VMS 1984 Relational RDFox — Triplestore / RDF ReadySet 2020 Relational Reality 1973 Multi-Value, Relational Realm 2011 Object-Oriented redb 2018 Key/Value Red Brick 1990 Relational Redcon 2016 Key/Value RedDatabase 2006 Relational Redict 2024 Key/Value Redis 2009 Key/Value RedisGraph 2018 Graph RediSQL 2016 Relational RedixDB 2018 Key/Value RedoxQL 2024 Relational Redshift 2012 Relational RedStore 2009 Triplestore / RDF ReductStore 2021 Key/Value Redwood 2019 Key/Value RE RefineDB 2021 Document / XML Regatta 2020 Relational ReifyDB 2025 Relational Rel 2004 Relational RelationalAI 2018 Graph, Relational RelationalCloud 2010 Relational Relational Database Service 2009 — RE Relatude.DB 2025 Graph, Object-Oriented Relaxo 2012 Document / XML ResilientDB 2019 Document / XML Resin Cache 1998 Key/Value RethinkDB 2009 Document / XML RexDB 2006 Relational RhizomeDB 2022 Relational Riak 2010 Key/Value RI Riffle 2014 — RisingLight 2021 Relational RisingWave 2021 Relational Rockall-DB — — RocksDB 2012 Key/Value Rockset 2016 Relational ROMA 2009 Key/Value RonDB 2020 Key/Value, Relational Rosebase 1992 Relational RoseDB 2020 Key/Value rqlite 2014 Relational RubatoDB 2014 Key/Value RudraDB 2025 Document / XML, Vector RxDB 2016 Document / XML Rya 2012 Triplestore / RDF SableDb 2024 Key/Value Sadas Engine — Relational SA Salvobase 2026 — SA Sanakirja — — SapphireDb 2018 Object-Oriented Satori 2025 — SB sboxdb 2024 — ScalarDB — — Scalaris 2009 Key/Value ScaleBase 2009 — ScaleDB 2005 — ScaleOut StateServer 2005 Key/Value ScalienDB 2010 Key/Value SchemafreeSQL 2012 Document / XML SchemaJS 2024 Document / XML SchoonerSQL 2007 Relational SciDB 2008 Array / Matrix ScimoreDB 2005 Relational ScopeDB 2024 Relational ScratchDB 2023 Document / XML Scuba 2013 Relational Scylla 2014 Key/Value, Column Family / Wide-Column SD SDB — Document / XML, Relational SD SDD-1 — — Seafowl 2022 Relational SearchBlox 2003 Document / XML Sedna 2003 Document / XML SeekDB 2025 Relational, Vector SenseiDB 2012 Relational Sequins 2014 Key/Value SequoiaDB 2011 Document / XML SereneDB 2024 Relational Serenity 2015 — Sesame 1997 Triplestore / RDF ShannonBase 2024 Relational, Vector ShardingSphere 2016 Relational ShareBase 1979 Relational SH SharedDB 2012 Relational SH Shore 1995 Object-Oriented SH Shore-MT 2007 Object-Oriented shsql 2002 Relational Siaqodb — Document / XML SignalDB 2023 Document / XML SI Silo 2013 Relational SimpleDB 2007 Key/Value SingleStore 2011 Document / XML, Key/Value, Multi-Value, Object-Oriented, Relational, Vector Siodb 2018 Relational Sir.DB 2020 Document / XML SiriDB 2016 — Sirius 2024 Relational SirixDB 2012 Document / XML SKDB 2022 Relational Skeg 2026 — SK SkeletonDB 2016 — Sklad 2024 Key/Value SKSQL 2021 Relational SK SkyDB 2013 — Skyrise 2019 Relational Skytable 2020 Key/Value SlateDB 2024 Key/Value Sled 2016 Key/Value SleekDB 2018 Document / XML SlicingDice 2015 — SlothDB 2026 Relational SL Slumber DB 2014 Key/Value SlyceIO 2023 Document / XML SmallSQL 2005 Relational SM SmithDB 2026 — Sneller 2022 Document / XML Snowflake 2013 Document / XML, Relational SochDB 2026 Graph, Relational, Vector SolarSystemDB 2024 — solidDB 1992 Relational SoloDB 2024 — Solr 2004 Document / XML sones GraphDB 2007 Graph SO Sonnerie — Relational Sophia 2014 Key/Value SpaceTime 2020 Relational SpacetimeDB 2023 Relational SP Sparkey 2013 Key/Value SparkleDB 2013 Graph Sparksee 2006 Graph, Object-Oriented Spark SQL 2014 — SparrowDB 2016 Key/Value SparrowDB 2026 Graph Speedb 2020 Key/Value Speedy — Relational Sphinx 2001 Document / XML SpiceDB 2021 Object-Oriented Splice Machine 2012 — SplinterDB 2018 Key/Value Splunk 2002 Key/Value SpreadsheetDB 2017 Document / XML SQL Anywhere 1992 Relational SQLBase 1984 Relational SQ SQL/DS 1981 Relational SQLflex — Relational SQLite 2000 Relational SQLite.Cloud 2020 Relational SQL Server 1988 Relational SQream 2010 Relational Sqrrl 2012 Graph, Key/Value SQ Squirreling 2025 Relational SRCH² 2010 — SSDB 2013 Key/Value Starcounter 2006 — Stardog 2005 Triplestore / RDF StarRocks 2021 Relational, Column Family / Wide-Column Starskey 2025 Key/Value StellarSQL 2018 Relational StereoDB 2023 Relational Stig 2010 Graph StoneDB 2022 Relational Stoolap 2025 Relational StormDB 2012 Relational ST StormiDB 2024 Document / XML Strabon 2011 Triplestore / RDF Streambase 2003 Relational StrixDB — Triplestore / RDF Strozzi NoSQL 1989 Relational STSdb 2008 Key/Value SummitDB 2016 Key/Value Supabase 2020 — Superbase 1983 Relational Supra Server SQL 1989 Relational SurrealDB 2016 Document / XML, Graph, Relational Swarm64 2013 Relational SwarnDB 2025 — SwayDB 2018 Key/Value SWC-DB 2019 Column Family / Wide-Column, Key/Value SwellDB 2025 Relational Swytch 2023 Key/Value SylvaDB 2009 Graph SY SylvieJS 2023 Document / XML SynapCores 2026 — System G 2009 Graph SY System R 1972 Relational TabDB 2019 Relational Tablespace 2024 — TaffyDB 2009 Document / XML Tajo 2012 Relational Tamino 2000 Document / XML Tantivy 2016 Document / XML Tanzu GemFire 2002 Key/Value Tarantool 2008 Key/Value TayzGrid — Object-Oriented Tdbengine 1985 Relational TDbf — — TDengine 2017 Relational TDSQL 2012 Key/Value, Document / XML, Relational Tendis 2018 Key/Value TensorBase 2020 Relational TE Tera 2014 Column Family / Wide-Column Teradata 1979 Document / XML, Graph, Relational TerarkDB 2016 Key/Value TerminusDB 2019 Document / XML, Graph, Triplestore / RDF Terrastore 2009 Document / XML Tesora 2010 Relational Theseus 2022 Relational ThinkSQL 2000 Relational ThreadDB 2019 Document / XML ThruDB 2006 — Tibero 2003 Relational TiDB 2015 Key/Value TidesDB 2024 Column Family / Wide-Column tiedot 2013 Document / XML TieredMemDB 2020 Key/Value TigerBeetle 2020 Relational TigerGraph 2012 Graph TiKV 2016 Key/Value Tile38 2016 — TileDB 2014 Array / Matrix Timbala 2016 Relational TIMBER — Document / XML TimescaleDB 2017 Relational TimesTen 1996 Relational Timestream 2018 Relational TingoDB 2013 Document / XML TinyBase 2021 Relational Tinybird 2019 — TinyDB 2013 Document / XML TinyDB 1999 Relational TI tinySQL 2003 Relational TI Titan 2018 — Titan 2012 Graph Tkrzw 2020 Key/Value TokuDB 2009 Relational TokuMX 2013 Document / XML Tokyo Cabinet 2006 Key/Value TO Tokyo Tyrant — — TomP2P 2004 Key/Value Tonbo 2024 Key/Value TonicDB 2025 Key/Value TopK 2024 Document / XML ToplingDB 2021 Key/Value ToroDB — Document / XML TO TOTAL — — toyDB 2019 Relational Trafodion 2014 Column Family / Wide-Column TrailDB 2014 Relational Transbase 1987 Relational TransLattice 2007 Relational TR Traverse — — TreodeDB 2012 Key/Value Trino 2019 — Trousseau 2013 Key/Value Truviso 2006 Relational tsink 2025 — ts-sql 2020 Relational TuGraph 2021 Graph TukDB 2024 Document / XML TU TurboImage 1972 — turbopuffer 2023 Vector Turso 2023 Relational Twig 2009 Object-Oriented TypeDB 2016 Entity-Relationship, Graph TY Typhon 2015 — TY Typhoon 1996 Relational UDS/SQL — Network Ultipa 2019 Graph Ultralite 1999 Relational Umbra 2018 Array / Matrix, Relational Unbounded 2020 Document / XML UN Unify — — UnisonDB 2025 Column Family / Wide-Column, Key/Value UniSQL 1991 Relational UN UniVerse 1990 — UnQLite — Document / XML, Key/Value UnumDB 2015 Document / XML, Graph, Key/Value, Array / Matrix upscaledb 2007 Key/Value Vald 2019 Vector Valentina Database 1998 Relational Valkey 2024 Key/Value VA Valthree 2025 Key/Value VanillaDB 2016 Multi-Value Vearch 2019 Document / XML, Vector VE vecdb 2026 Document / XML, Vector Vector 2009 Relational VectorDB 2023 Document / XML, Vector VectorDB 2023 Document / XML, Vector VectorSQL 2020 Relational Vedis 2014 Key/Value VelarixDB 2024 Key/Value VelocityDB 2011 Object-Oriented Velox 2020 Relational VeloxDB 2022 Object-Oriented Venice 2014 Document / XML VennDB 2023 Relational VertexDB 2009 Graph Vertica 2005 Relational Vespa 1997 Document / XML vFabric SQLFire — — VictoriaMetrics 2018 Column Family / Wide-Column VillageSQL 2025 Relational Virtuoso 1998 Relational VistaDB 2009 — Visual FoxPro 1992 Relational Vitess 2011 Relational Vitesse DB 2014 Relational ViyaDB 2017 Relational voidDB 2024 Key/Value Voldemort 2009 Key/Value VoltDB 2009 Relational VS vsql 2021 Relational VU VulcanDB 2012 Object-Oriented vyhodb 2012 Network WakandaDB 1996 Document / XML WarehousePG 2025 Relational Warp 10 2013 — Weaviate 2016 Vector WebScaleSQL 2014 Relational WE WebSphere eXtreme Scale — Object-Oriented WhiteDB 2008 Network WiredTiger 2008 Key/Value WonderDB 2013 Relational XAP 2000 Key/Value Xapian 2001 Document / XML Xata 2020 Relational XD XDB Enterprise Server 1998 Relational Xeround 2005 Relational Xodus 2014 Document / XML XP XPRS 1988 — XTDB 2018 Document / XML XtremeData 2003 Relational Yaacomo 2008 Relational YantrikDB 2026 Graph, Key/Value, Vector Yanza 2008 Document / XML YaraDB 2025 Document / XML YARD-SQL 1996 Relational YDB 2014 Relational Yellowbrick 2014 Relational YottaDB 2001 Key/Value YouTrackDB 2024 Graph YTsaurus 2010 — YugabyteDB 2016 Key/Value, Relational zeeSQL — — Zentropy 2025 Key/Value ZeptoDB 2026 — ZeroDB 2015 Document / XML ZippyDB 2014 Key/Value ZippyDB 2013 Key/Value ZODB 2002 Object-Oriented ZooDB 2008 Object-Oriented Zookeeper 2008 Hierarchical Zu 2025 Key/Value Zvec 2023 Vector