DBDB.io The Encyclopedia of Database Systems · Est. 2017
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Database of Databases

188 Systems Found

Databases with In-Memory Storage Architecture
1010data
OLAP
2000 Relational Disk-oriented, In-Memory
OLAP
ActorDB
Abandoned
2014 Relational In-Memory
Abandoned
Adaptive Server Enterprise
Acquired Company
1987 Relational Disk-oriented, In-Memory
Acquired Company
Aito
Search Engine
2017 Relational Disk-oriented, In-Memory
Search Engine
AlaSQL
AI-Assisted
2014 Document / XML, Relational In-Memory
AI-Assisted
Altibase
OLTP
1999 Relational Hybrid, In-Memory
OLTP
Amelie
OLTP
2023 Relational In-Memory
OLTP
AncelusDB
1983 Entity-Relationship In-Memory
AnnaDB
Abandoned NoSQL
2021 Document / XML In-Memory
Abandoned NoSQL
AnzoGraph
2007 Graph In-Memory
ArangoDB
Multi-Model AI-Assisted
2011 Document / XML, Graph, Key/Value In-Memory
Multi-Model AI-Assisted
Asami
2018 Graph Disk-oriented, In-Memory
Atlas
Time-Series AI-Assisted
2014 — In-Memory
Time-Series AI-Assisted
Atoti
OLAP
2005 Relational In-Memory
OLAP
AvantGraph
2022 Graph In-Memory
Azure SQL Database
Hosting Service
2009 Relational Disk-oriented, In-Memory
Hosting Service
BadgerDB
AI-Assisted
2017 Key/Value Disk-oriented, In-Memory
AI-Assisted
Beringei
Time-Series Abandoned
2015 Key/Value In-Memory
Time-Series Abandoned
Bitsy
2013 Graph In-Memory
BlazingSQL
OLAP Abandoned Failed Company
2015 Relational In-Memory
OLAP Abandoned Failed Company
BlobCity
Failed Company
2015 Document / XML, Relational Disk-oriented, In-Memory
Failed Company
BoJack
Abandoned
2016 Key/Value In-Memory
Abandoned
BTDB
OLTP
2010 Key/Value, Object-Oriented In-Memory
OLTP
BuntDB
OLTP
2016 Key/Value In-Memory
OLTP
chDB
OLAP Acquired Company AI-Assisted
2023 Relational Disk-oriented
OLAP Acquired Company AI-Assisted
Chroma
Nearest Neighbor AI-Assisted
2022 Document / XML Disk-oriented, In-Memory
Nearest Neighbor AI-Assisted
chromem-go
Nearest Neighbor
2023 Vector In-Memory
Nearest Neighbor
Chronicle Map
AI-Assisted
2014 Key/Value In-Memory
AI-Assisted
ClickHouse
OLAP AI-Assisted
2016 Relational Disk-oriented, Hybrid, In-Memory
OLAP AI-Assisted
Cloud Memorystore
Cache Hosting Service
— — In-Memory
Cache Hosting Service
Coherence
Cache Acquired Company
2000 Object-Oriented In-Memory
Cache Acquired Company
Column
2021 Relational In-Memory
Compass
Abandoned Search Engine
2006 Document / XML, Object-Oriented In-Memory
Abandoned Search Engine
CompleteDB
Abandoned OLTP
2012 Relational In-Memory
Abandoned OLTP
ComputeDB
OLAP Acquired Company Abandoned
2015 Relational In-Memory
OLAP Acquired Company Abandoned
CovenantSQL
Abandoned Blockchain
2018 Relational Disk-oriented, In-Memory
Abandoned Blockchain
Crescando
Abandoned
2009 Relational In-Memory
Abandoned
CSQL
Abandoned Failed Company
2005 Relational In-Memory
Abandoned Failed Company
Cubrick
2016 Column Family / Wide-Column In-Memory
Dare-DB
NoSQL
2024 Key/Value In-Memory
NoSQL
DataBlitz
OLTP
1993 Relational In-Memory
OLTP
Datahike
AI-Assisted
2018 Key/Value Disk-oriented
AI-Assisted
DataScript
2014 Key/Value In-Memory
DBx1000
Abandoned
2014 Relational In-Memory
Abandoned
DiceDB
OLTP
2022 Key/Value In-Memory
OLTP
Dnaerys
— — In-Memory
Doxa
Abandoned
2021 Document / XML In-Memory
Abandoned
Dragonfly
Cache AI-Assisted
2021 Key/Value In-Memory
Cache AI-Assisted
EchoDB
2021 Key/Value In-Memory
EuclidOLAP
OLAP
2022 Array / Matrix In-Memory
OLAP
EVCache
Cache
2012 Key/Value In-Memory
Cache
Exasol
2000 Relational In-Memory
eXtremeDB
Cache Time-Series OLTP Middleware
2001 Key/Value, Entity-Relationship, Relational, Column Family / Wide-Column Hybrid, Disk-oriented, In-Memory
Cache Time-Series OLTP Middleware
Fallen-8
Abandoned
2011 Graph In-Memory
Abandoned
FastDB
MMAP
2011 Relational In-Memory
MMAP
FatDB
Cache Failed Company NoSQL
2012 Key/Value In-Memory
Cache Failed Company NoSQL
FiloDB
2015 — In-Memory
FinchDB
2015 Document / XML In-Memory
FineDB
Abandoned NoSQL
2013 Key/Value In-Memory
Abandoned NoSQL
FirstSQL/J
Failed Company
2001 Relational Disk-oriented, In-Memory
Failed Company
FleetDB
Abandoned
2009 Document / XML In-Memory
Abandoned
Fongo
Abandoned NoSQL
2012 Document / XML In-Memory
Abandoned NoSQL
FrostDB
Time-Series
2022 Column Family / Wide-Column In-Memory
Time-Series
FuelDB
Abandoned
2014 Document / XML In-Memory
Abandoned
Gadfly
Abandoned
1994 Relational In-Memory
Abandoned
Gaia
Abandoned Failed Company
2020 Object-Oriented In-Memory
Abandoned Failed Company
Geode
Cache Forked Code OLTP NoSQL
2015 Key/Value In-Memory
Cache Forked Code OLTP NoSQL
GhostDB
Cache Abandoned
2020 Key/Value In-Memory
Cache Abandoned
Glowdust
2023 Relational In-Memory
Goldilocks
2010 Relational In-Memory
GrapheekDB
Abandoned
2014 Key/Value, Graph In-Memory
Abandoned
GridGain
2007 Key/Value In-Memory
GUN
Peer-to-Peer
2014 Graph Disk-oriented, In-Memory
Peer-to-Peer
HANA
2010 Column Family / Wide-Column In-Memory
Hazelcast
Cache
2008 Key/Value In-Memory
Cache
HeavyDB
OLAP Acquired Company Abandoned
2013 Relational In-Memory
OLAP Acquired Company Abandoned
Hekaton
OLTP
2012 Relational In-Memory
OLTP
Histore
Abandoned
2018 Key/Value In-Memory
Abandoned
Hive
OLAP AI-Assisted
2010 Relational Hybrid, Disk-oriented, In-Memory
OLAP AI-Assisted
H-Store
NewSQL Abandoned OLTP
2006 Relational In-Memory
NewSQL Abandoned OLTP
HyPer
OLAP Acquired Company OLTP
2010 Relational In-Memory
OLAP Acquired Company OLTP
HyperSQL
2001 Relational Disk-oriented, In-Memory
Hyrise
OLAP
2009 Relational In-Memory
OLAP
Ignite
2014 Key/Value Disk-oriented, In-Memory
InMemory.Net
2014 Relational In-Memory
IonDB
Abandoned
2015 Key/Value Disk-oriented, In-Memory
Abandoned
JameSQL
NoSQL
2024 Document / XML In-Memory
NoSQL
Joedb
2014 Relational In-Memory
KektorDB
Nearest Neighbor
2025 Graph In-Memory
Nearest Neighbor
Kinetica
OLAP
2009 Relational In-Memory
OLAP
Kinto
NoSQL AI-Assisted
2014 Document / XML Disk-oriented, In-Memory
NoSQL AI-Assisted
Krati
Abandoned OLTP NoSQL
2010 Key/Value In-Memory
Abandoned OLTP NoSQL
Kyoto Cabinet
2009 Key/Value Disk-oriented, In-Memory
LedisDB
Abandoned NoSQL
2014 Key/Value Hybrid, Disk-oriented, In-Memory
Abandoned NoSQL
libmdbx
Forked Code MMAP
2015 Key/Value In-Memory
Forked Code MMAP
LintDB
Nearest Neighbor
2024 Vector In-Memory
Nearest Neighbor
LittleD
Abandoned
2014 Relational In-Memory
Abandoned
LMDB
MMAP DBM AI-Assisted
2011 Key/Value In-Memory
MMAP DBM AI-Assisted
LokiJS
Abandoned
2013 Document / XML In-Memory
Abandoned
LowDB
Web Browser NoSQL
2014 Document / XML Disk-oriented, In-Memory
Web Browser NoSQL
MariaDB
AI-Assisted
2009 Relational Disk-oriented, In-Memory
AI-Assisted
Memcached
Cache
2003 Key/Value In-Memory
Cache
MemCP
OLAP AI-Assisted
2022 Relational In-Memory
OLAP AI-Assisted
Memgraph
AI-Assisted
2016 Graph Hybrid, In-Memory
AI-Assisted
Memstate
Abandoned
2017 Object-Oriented In-Memory
Abandoned
MobyDB
2026 Key/Value Disk-oriented
NavDB
Abandoned
2017 Key/Value, Relational Disk-oriented, Hybrid, In-Memory
Abandoned
NCache
Cache
2015 Key/Value In-Memory
Cache
NDatabase
— Object-Oriented In-Memory
NeDB
Abandoned
2013 Document / XML In-Memory
Abandoned
NeuroDB
2020 Graph In-Memory
Nitrite
NoSQL AI-Assisted
2017 Document / XML Disk-oriented, In-Memory
NoSQL AI-Assisted
NoisePage
2018 Relational In-Memory
NoSQL Object Database
Acquired Company NoSQL
1988 Object-Oriented Disk-oriented, In-Memory
Acquired Company NoSQL
nubmq
Cache
2024 Key/Value In-Memory
Cache
NunDB
2018 Object-Oriented Disk-oriented, In-Memory
ObjectStore
Acquired Company
1988 Object-Oriented In-Memory
Acquired Company
ObsessionDB
OLAP Hosting Service
2024 Relational Disk-oriented, In-Memory, Hybrid
OLAP Hosting Service
OrigoDB
Abandoned
2011 Key/Value, Graph, Object-Oriented, Document / XML, Relational In-Memory
Abandoned
PicoDB
Abandoned
2016 Document / XML In-Memory
Abandoned
Pincaster
2010 Document / XML In-Memory
Pogocache
Cache
2025 Key/Value In-Memory
Cache
Polyhedra
Acquired Company
1994 Relational In-Memory
Acquired Company
PrestoDB
OLAP AI-Assisted
2013 Document / XML, Key/Value, Column Family / Wide-Column, Relational In-Memory
OLAP AI-Assisted
PRISMA
1986 Relational In-Memory
P*TIME
Acquired Company OLTP
2000 Relational In-Memory
Acquired Company OLTP
Qdrant
Nearest Neighbor Search Engine MMAP AI-Assisted
2020 Vector Disk-oriented, In-Memory
Nearest Neighbor Search Engine MMAP AI-Assisted
quasardb
2008 Key/Value In-Memory
RageDB
Abandoned
2021 Graph In-Memory
Abandoned
RaimaDB
Time-Series
1984 Network, Relational Disk-oriented, Hybrid, In-Memory
Time-Series
RamSQL
2014 Relational In-Memory
Raphtory
OLAP AI-Assisted
2020 Graph In-Memory
OLAP AI-Assisted
RapidsDB
OLAP Middleware
2014 — In-Memory
OLAP Middleware
RDFox
— Triplestore / RDF In-Memory
Redict
Cache Forked Code NoSQL
2024 Key/Value In-Memory
Cache Forked Code NoSQL
RedisGraph
2018 Graph In-Memory
RedoxQL
2024 Relational In-Memory
ReifyDB
OLTP
2025 Relational In-Memory
OLTP
Resin Cache
Cache Middleware
1998 Key/Value In-Memory
Cache Middleware
RocksDB
Forked Code OLTP
2012 Key/Value Hybrid, Disk-oriented, In-Memory
Forked Code OLTP
Rockset
OLAP Acquired Company
2016 Relational In-Memory
OLAP Acquired Company
sboxdb
2024 Relational In-Memory
ScaleOut StateServer
2005 Key/Value In-Memory
Scuba
2013 Relational In-Memory
ShannonBase
2024 Relational, Vector Disk-oriented, In-Memory
SignalDB
NoSQL AI-Assisted
2023 Document / XML In-Memory
NoSQL AI-Assisted
Silo
Abandoned
2013 Relational In-Memory
Abandoned
SingleStore
OLAP NewSQL Acquired Company OLTP
2011 Document / XML, Key/Value, Multi-Value, Object-Oriented, Relational, Vector Disk-oriented, Hybrid, In-Memory
OLAP NewSQL Acquired Company OLTP
solidDB
Acquired Company OLTP
1992 Relational Disk-oriented, Hybrid, In-Memory
Acquired Company OLTP
SpacetimeDB
OLTP AI-Assisted
2023 Relational In-Memory
OLTP AI-Assisted
SparkleDB
OLTP
2013 Graph In-Memory
OLTP
Speedb
Forked Code Acquired Company
2020 Key/Value Disk-oriented, In-Memory, Hybrid
Forked Code Acquired Company
Speedy
Abandoned
— Relational In-Memory
Abandoned
SRCH²
Abandoned
2010 — In-Memory
Abandoned
Starcounter
2006 — In-Memory
SwayDB
Abandoned
2018 Key/Value Disk-oriented, In-Memory
Abandoned
Swytch
Cache
2023 Key/Value In-Memory
Cache
TabDB
Parody / Joke Abandoned
2019 Relational In-Memory
Parody / Joke Abandoned
TaffyDB
Abandoned
2009 Document / XML In-Memory
Abandoned
Tanzu GemFire
Cache Acquired Company NoSQL
2002 Key/Value In-Memory
Cache Acquired Company NoSQL
Tarantool
2008 Key/Value Disk-oriented, In-Memory
TayzGrid
Cache
— Object-Oriented In-Memory
Cache
TerarkDB
Forked Code Acquired Company
2016 Key/Value Disk-oriented, In-Memory, Hybrid
Forked Code Acquired Company
TerminusDB
AI-Assisted
2019 Document / XML, Graph, Triplestore / RDF In-Memory
AI-Assisted
TieredMemDB
Cache Forked Code Abandoned NoSQL
2020 Key/Value In-Memory
Cache Forked Code Abandoned NoSQL
TigerGraph
2012 Graph In-Memory
Tile38
2016 — In-Memory
TileDB
NoSQL
2014 Array / Matrix Disk-oriented, In-Memory
NoSQL
TimesTen
Acquired Company OLTP
1996 Relational In-Memory
Acquired Company OLTP
TinyDB
2013 Document / XML Disk-oriented, In-Memory
TonicDB
OLTP
2025 Key/Value In-Memory
OLTP
ts-sql
Abandoned
2020 Relational In-Memory
Abandoned
Valkey
Cache Forked Code NoSQL AI-Assisted
2024 Key/Value In-Memory
Cache Forked Code NoSQL AI-Assisted
VeloxDB
OLTP
2022 Object-Oriented In-Memory
OLTP
VennDB
2023 Relational In-Memory
ViyaDB
OLAP Abandoned
2017 Relational In-Memory
OLAP Abandoned
VoltDB
NewSQL
2009 Relational In-Memory
NewSQL
WebSphere eXtreme Scale
— Object-Oriented In-Memory
WhiteDB
Abandoned
2008 Network In-Memory
Abandoned
XAP
2000 Key/Value In-Memory
XtremeData
OLAP
2003 Relational In-Memory
OLAP
Yaacomo
OLAP Failed Company
2008 Relational In-Memory
OLAP Failed Company
YaraDB
2025 Document / XML In-Memory
zeeSQL
Cache OLTP
2021 Relational Hybrid, In-Memory
Cache OLTP
Zentropy
2025 Key/Value In-Memory
ZeptoDB
Time-Series AI-Assisted
2026 — In-Memory
Time-Series AI-Assisted
ZODB
2002 Object-Oriented Disk-oriented, In-Memory
Zookeeper
2008 Hierarchical In-Memory