Best KeyDB Alternatives in 2026
Updated
20 tools from in-memory databases ranked against KeyDB on the same published basis.
- 1KeyDB vs VoltDB
- 2KeyDB vs Aerospike Database
- 3KeyDB vs Amazon ElastiCache
- 4KeyDB vs eXtremeDB
- 5KeyDB vs GridGain
- 6KeyDB vs Redis Insight
- 7KeyDB vs Apache Geode
- 8KeyDB vs SingleStore Helios
- 9KeyDB vs VMware Workstation Pro
- 10KeyDB vs RonDB
- 11KeyDB vs Dragonfly
- 12KeyDB vs Infinispan
- 14KeyDB vs Tarantool DB
- 15KeyDB vs RaimaDB
- 16KeyDB vs SAP Customer Data Platform
- 17KeyDB vs VMware Tanzu Platform
- 18KeyDB vs DiceDB
- 19KeyDB vs ScaleOut In-Memory Database
- 20KeyDB vs Couchbase Server
- 21KeyDB vs ALTIBASE
KeyDB alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | VoltDB | 7.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web |
| 2 | Aerospike Database | 7.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 3 | Amazon ElastiCache | 7.3 | Free plan | $6/mo | API, Linux, Mac, Web, Windows |
| 4 | eXtremeDB | 7.3 | No | — | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 5 | GridGain | 7.2 | No | $0.11/mo | API, Linux, Mac, self-hosted, Windows |
| 6 | Redis Insight | 7.2 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 7 | Apache Geode | 7.1 | Free plan | Free | API, Linux, self-hosted, Windows |
| 8 | SingleStore Helios | 7.0 | Free plan | $0.99/mo | API, Web |
| 9 | VMware Workstation Pro | 7.0 | Free plan | Free | Linux, self-hosted, Windows |
| 10 | RonDB | 6.9 | Free plan | Free | API, Linux, self-hosted |
| 11 | Dragonfly | 6.7 | No | $36/mo | API, Linux, self-hosted |
| 12 | Infinispan | 6.7 | Free plan | Free | API, Linux, self-hosted |
| 14 | Tarantool DB | 6.7 | No | — | API, Linux, Mac, self-hosted |
| 15 | RaimaDB | 6.4 | No | — | Web, Windows, Mac, Linux, iOS, Android |
| 16 | SAP Customer Data Platform | 6.3 | No | — | — |
| 17 | VMware Tanzu Platform | 6.2 | No | — | API, self-hosted, Web |
| 18 | DiceDB | 5.9 | No | — | Linux, Mac |
| 19 | ScaleOut In-Memory Database | 5.9 | No | — | Windows, Linux |
| 20 | Couchbase Server | 5.7 | No | — | — |
| 21 | ALTIBASE | 5.6 | No | — | Linux |
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Questions about KeyDB alternatives
What is the best alternative to KeyDB?
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 KeyDB?
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.