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Best ScaleOut In-Memory Database Alternatives in 2026

Updated

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

  1. 1
    VoltDB Free plan apiLinuxMacself-hostedWeb Free7.6
    ScaleOut In-Memory Database vs VoltDB
  2. 2
    Aerospike Database Free plan apiLinuxself-hostedWeb Free7.4
    ScaleOut In-Memory Database vs Aerospike Database
  3. 3
    Amazon ElastiCache Free plan apiLinuxMacWebWin $6/mo7.3
    ScaleOut In-Memory Database vs Amazon ElastiCache
  4. 4
    eXtremeDB Free trial AndroidapiiOSLinuxMac 7.3
    ScaleOut In-Memory Database vs eXtremeDB
  5. 5
    GridGain Free trial apiLinuxMacself-hostedWin $0.11/mo7.2
    ScaleOut In-Memory Database vs GridGain
  6. 6
    Redis Insight Free plan LinuxMacself-hostedWebWin Free7.2
    ScaleOut In-Memory Database vs Redis Insight
  7. 7
    Apache Geode Free plan apiLinuxself-hostedWin Free7.1
    ScaleOut In-Memory Database vs Apache Geode
  8. 8
    SingleStore Helios Free plan apiWeb $0.99/mo7.0
    ScaleOut In-Memory Database vs SingleStore Helios
  9. 9
    VMware Workstation Pro Free plan Linuxself-hostedWin Free7.0
    ScaleOut In-Memory Database vs VMware Workstation Pro
  10. 10
    RonDB Free plan apiLinuxself-hosted Free6.9
    ScaleOut In-Memory Database vs RonDB
  11. 11
    Dragonfly Free trial apiLinuxself-hosted $36/mo6.7
    ScaleOut In-Memory Database vs Dragonfly
  12. 12
    Infinispan Free plan apiLinuxself-hosted Free6.7
    ScaleOut In-Memory Database vs Infinispan
  13. 13
    KeyDB LinuxMacself-hosted 6.7
    ScaleOut In-Memory Database vs KeyDB
  14. 14
    Tarantool DB apiLinuxMacself-hosted 6.7
    ScaleOut In-Memory Database vs Tarantool DB
  15. 15
    RaimaDB WebWinMacLinuxiOS 6.4
    ScaleOut In-Memory Database vs RaimaDB
  16. 16
    SAP Customer Data Platform 6.3
    ScaleOut In-Memory Database vs SAP Customer Data Platform
  17. 17
    VMware Tanzu Platform apiself-hostedWeb 6.2
    ScaleOut In-Memory Database vs VMware Tanzu Platform
  18. 18
    DiceDB LinuxMac 5.9
    ScaleOut In-Memory Database vs DiceDB
  19. 20
    Couchbase Server 5.7
    ScaleOut In-Memory Database vs Couchbase Server
  20. 21
    ALTIBASE Linux 5.6
    ScaleOut In-Memory Database vs ALTIBASE

ScaleOut In-Memory Database alternatives compared

#ToolScoreFree planFromRuns on
1VoltDB7.6Free planFreeAPI, Linux, Mac, self-hosted, Web
2Aerospike Database7.4Free planFreeAPI, Linux, self-hosted, Web
3Amazon ElastiCache7.3Free plan$6/moAPI, Linux, Mac, Web, Windows
4eXtremeDB7.3No—Android, API, iOS, Linux, Mac, self-hosted, Windows
5GridGain7.2No$0.11/moAPI, Linux, Mac, self-hosted, Windows
6Redis Insight7.2Free planFreeLinux, Mac, self-hosted, Web, Windows
7Apache Geode7.1Free planFreeAPI, Linux, self-hosted, Windows
8SingleStore Helios7.0Free plan$0.99/moAPI, Web
9VMware Workstation Pro7.0Free planFreeLinux, self-hosted, Windows
10RonDB6.9Free planFreeAPI, Linux, self-hosted
11Dragonfly6.7No$36/moAPI, Linux, self-hosted
12Infinispan6.7Free planFreeAPI, Linux, self-hosted
13KeyDB6.7No—Linux, Mac, self-hosted
14Tarantool DB6.7No—API, Linux, Mac, self-hosted
15RaimaDB6.4No—Web, Windows, Mac, Linux, iOS, Android
16SAP Customer Data Platform6.3No——
17VMware Tanzu Platform6.2No—API, self-hosted, Web
18DiceDB5.9No—Linux, Mac
20Couchbase Server5.7No——
21ALTIBASE5.6No—Linux
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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 7.6 out of 10. The others here: Aerospike Database, Amazon ElastiCache, eXtremeDB 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 what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.