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Best ScaleOut In-Memory Database Alternatives in 2026

Updated

20 platforms from in-memory databases ranked against ScaleOut In-Memory Database on the same published basis.

  1. 1
    VoltDB Free plan apiLinuxMacself-hostedWeb Free7.8
    ScaleOut In-Memory Database vs VoltDB
  2. 2
    Aerospike Database Free plan apiLinuxself-hostedWeb Free7.7
    ScaleOut In-Memory Database vs Aerospike Database
  3. 3
    Amazon ElastiCache Free plan apiLinuxMacWebWin $6/mo7.1
    ScaleOut In-Memory Database vs Amazon ElastiCache
  4. 4
    Apache Geode Free plan apiLinuxself-hostedWin Free7.1
    ScaleOut In-Memory Database vs Apache Geode
  5. 5
    SingleStore Helios Free plan apiWeb $0.99/mo7.1
    ScaleOut In-Memory Database vs SingleStore Helios
  6. 6
    eXtremeDB Free trial AndroidapiiOSLinuxMac 7.0
    ScaleOut In-Memory Database vs eXtremeDB
  7. 7
    GridGain Free trial apiLinuxMacself-hostedWin $0.11/mo7.0
    ScaleOut In-Memory Database vs GridGain
  8. 8
    Redis Insight Free plan LinuxMacself-hostedWebWin Free7.0
    ScaleOut In-Memory Database vs Redis Insight
  9. 9
    RonDB Free plan apiLinuxself-hosted Free7.0
    ScaleOut In-Memory Database vs RonDB
  10. 10
    VMware Workstation Pro Free plan Linuxself-hostedWin Free6.9
    ScaleOut In-Memory Database vs VMware Workstation Pro
  11. 11
    Infinispan Free plan apiLinuxself-hosted Free6.8
    ScaleOut In-Memory Database vs Infinispan
  12. 12
    Dragonfly Free trial apiLinuxself-hosted $36/mo6.7
    ScaleOut In-Memory Database vs Dragonfly
  13. 13
    KeyDB LinuxMacself-hosted 6.4
    ScaleOut In-Memory Database vs KeyDB
  14. 14
    SAP Customer Data Platform 6.1
    ScaleOut In-Memory Database vs SAP Customer Data Platform
  15. 15
    Tarantool DB apiLinuxMacself-hosted 6.1
    ScaleOut In-Memory Database vs Tarantool DB
  16. 16
    RaimaDB WebWinMacLinuxiOS 5.9
    ScaleOut In-Memory Database vs RaimaDB
  17. 17
    Couchbase Server 5.8
    ScaleOut In-Memory Database vs Couchbase Server
  18. 18
    DiceDB LinuxMac 5.8
    ScaleOut In-Memory Database vs DiceDB
  19. 20
    ALTIBASE Linux 5.5
    ScaleOut In-Memory Database vs ALTIBASE
  20. 21
    Valkey LinuxMac 5.4
    ScaleOut In-Memory Database vs Valkey

ScaleOut In-Memory Database alternatives compared

#PlatformScoreFree planFromRuns on
1VoltDB7.8Free planFreeAPI, Linux, Mac, self-hosted, Web
2Aerospike Database7.7Free planFreeAPI, Linux, self-hosted, Web
3Amazon ElastiCache7.1Free plan$6/moAPI, Linux, Mac, Web, Windows
4Apache Geode7.1Free planFreeAPI, Linux, self-hosted, Windows
5SingleStore Helios7.1Free plan$0.99/moAPI, Web
6eXtremeDB7.0No—Android, API, iOS, Linux, Mac, self-hosted, Windows
7GridGain7.0No$0.11/moAPI, Linux, Mac, self-hosted, Windows
8Redis Insight7.0Free planFreeLinux, Mac, self-hosted, Web, Windows
9RonDB7.0Free planFreeAPI, Linux, self-hosted
10VMware Workstation Pro6.9Free planFreeLinux, self-hosted, Windows
11Infinispan6.8Free planFreeAPI, Linux, self-hosted
12Dragonfly6.7No$36/moAPI, Linux, self-hosted
13KeyDB6.4No—Linux, Mac, self-hosted
14SAP Customer Data Platform6.1No——
15Tarantool DB6.1No—API, Linux, Mac, self-hosted
16RaimaDB5.9No—Web, Windows, Mac, Linux, iOS, Android
17Couchbase Server5.8No——
18DiceDB5.8No—Linux, Mac
20ALTIBASE5.5No—Linux
21Valkey5.4No—Linux, Mac
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Questions about ScaleOut In-Memory Database alternatives

What is the best alternative to ScaleOut In-Memory Database?

VoltDB, number 1 in in-memory databases with a score of 7.8 out of 10. The others here: Aerospike Database, Amazon ElastiCache, Apache Geode and 16 more.

What is the best free alternative to ScaleOut In-Memory Database?

VoltDB is the best-ranked alternative with a free plan. 9 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.