For developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.
In-memory key-value stores
Caches and data structure servers speaking the Redis protocol or close to it.
Changes in this category (RSS)
Side by side
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| Redis | 77k | Other | Open source | Yes | C | 8.10.3 | 2026-11-12 |
| Dragonfly | 32k | Other | Source available | Yes | C++ | v2.1 | 2026-11-11 |
| Valkey | 28k | BSD-3-Clause | Open source | Yes | C | 9.1.3 | 2026-11-12 |
| Memcached | 14k | BSD-3-Clause | Open source | Yes | C | 1.6.45 | 2026-09-11 |
| KeyDB | 13k | BSD-3-Clause | Open source | Yes | C++ | v6.3.4 | 2026-10-22 |
| Garnet | 12k | MIT | Open source | Yes | C# | v2.2.11 | 2026-11-12 |
| PikiwiDB | 6.1k | BSD-3-Clause | Open source | Yes | C++ | v4.0.4 | 2026-10-16 |
| Apache Kvrocks | 4.5k | Apache-2.0 | Open source | Yes | C++ | v2.17.0 | 2026-11-11 |
| Aerospike | 1.4k | Other | Open source | Yes | C | 8.2.0.1 | 2026-10-28 |
9 tools
A modern replacement for Redis and Memcached
A flexible distributed key-value database that is optimized for caching and other realtime workloads.
- Language
- C
- Licence
- BSD-3-Clause
- Stars
- 28k
- Latest
- 9.1.3
- Last push
- 2026-11-12
memcached development tree
- Language
- C
- Licence
- BSD-3-Clause
- Stars
- 14k
- Latest
- 1.6.45
- Last push
- 2026-09-11
A Multithreaded Fork of Redis
- Language
- C++
- Licence
- BSD-3-Clause
- Stars
- 13k
- Latest
- v6.3.4
- Last push
- 2026-10-22
Garnet is a remote cache-store from Microsoft Research that offers strong performance (throughput and latency), scalability, storage, recovery, cluster sharding, key migration, and replication features. Garnet can work with existing Redis clients.
Pikiwidb is a Redis-Compatible database developed by Qihoo's infrastructure team.
- Language
- C++
- Licence
- BSD-3-Clause
- Stars
- 6.1k
- Latest
- v4.0.4
- Last push
- 2026-10-16
Apache Kvrocks is a distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol.
- Language
- C++
- Licence
- Apache-2.0
- Stars
- 4.5k
- Latest
- v2.17.0
- Last push
- 2026-11-11
Aerospike Database Server – flash-optimized, in-memory, nosql database