# Key-Value Stores

Ranked by the Vioscale composite score: a confidence-weighted blend of independent signals, not user reviews.

| # | Software | Score | Confidence | Vendor |
|--:|---|--:|---|---|
| 1 | [Memcached](https://www.vioscale.ai/software/memcached) | 69.4 | 11% (low) | - |
| 2 | [Redis](https://www.vioscale.ai/software/redis) | 69.2 | 39% (low) | Redis Ltd. |
| 3 | [RocksDB](https://www.vioscale.ai/software/rocksdb) | 67.9 | 17% (low) | - |
| 4 | [DragonflyDB](https://www.vioscale.ai/software/dragonflydb) | 67.2 | 36% (low) | - |
| 5 | [Upstash](https://www.vioscale.ai/software/upstash) | 65 | 63% (medium) | - |
| 6 | [Redis](https://www.vioscale.ai/software/redis) | 64.2 | 55% (medium) | Redis Ltd. |
| 7 | [Amazon ElastiCache](https://www.vioscale.ai/software/amazon-elasticache) | 63.3 | 8% (low) | - |
| 8 | [etcd](https://www.vioscale.ai/software/etcd) | 60.5 | 18% (low) | - |
| 9 | [Apache Ignite](https://www.vioscale.ai/software/apache-ignite) | 56.9 | 18% (low) | - |
| 10 | [Valkey](https://www.vioscale.ai/software/valkey) | 51.8 | 15% (low) | - |
| 11 | [Hazelcast](https://www.vioscale.ai/software/hazelcast) | 44.5 | 32% (low) | - |
| 12 | [KeyDB](https://www.vioscale.ai/software/keydb) | 36.7 | 26% (low) | - |
| 13 | [Riak KV](https://www.vioscale.ai/software/riak-kv) | 25.8 | 20% (low) | - |

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*Source: Vioscale (https://www.vioscale.ai/categories/key-value-cache).*