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Redis

https://redis.io

An in-memory key-value database written in C. Data is written to disk periodically. Commonly used as a cache.

Learn

• https://redis.io/docs/latest

Forks

In 2024, Redis changed its license to source-available. As a result, several forks have been created:

• Valkey, supported by the Linux Foundation
• Redict, started by Drew DeVault

There is also KeyDB, an old fork of Redis that focuses on multithreading support.