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valkey-io/valkey

A high-performance, Redis-compatible key-value data structure server forked from Redis, aimed at caching and realtime workloads.

Open-source alternative to:Redis

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What is it?

Valkey is a data structure server that mainly serves key/value workloads. It supports a broad set of native data structures and offers an extensible plugin system for adding new structures and access patterns. It was forked from Redis before Redis changed to source-available licensing.

The project builds on Linux, macOS, and BSD systems on both little-endian and big-endian architectures, in 32-bit and 64-bit variants. Optional features include TLS, RDMA (experimental), systemd integration, and Zstandard compression for streaming RDB and replication, selected at build time through a Makefile or CMake.

Valkey ships with a command-line client, valkey-cli, and a test suite covering integration, unit, module API, Sentinel, and Cluster scenarios.

Key features

  • 01Supports a wide range of native data structures.
  • 02Extensible plugin system for new data structures and access patterns.
  • 03Optional TLS support, built in or as a module.
  • 04Experimental RDMA support on Linux.
  • 05Redis-compatible command names and symlinks for redis-cli and redis-server.

Use cases

  • Caching layer for web applications and services.
  • Realtime workloads that need fast key/value access.
  • Migrating existing Redis deployments to an open-source fork.

Quick start

  1. 1

    Build Valkey from source with the Makefile

    make
  2. 2

    Start the server with the default configuration

    cd src ./valkey-server
  3. 3

    Connect with the command-line client in another terminal

    ./valkey-cli

Things to know

  • Building from source requires a C toolchain and make, and TLS or RDMA support needs extra system libraries.
  • RDMA support is experimental and only works on Linux.

In collections

Databases & SQL tools

Topics

#key-value-store#cache#nosql#redis#in-memory-database#data-structures#database#key-value#valkey#valkey-client

FAQ

What is valkey?
A high-performance, Redis-compatible key-value data structure server forked from Redis, aimed at caching and realtime workloads. Valkey is a data structure server that mainly serves key/value workloads. It supports a broad set of native data structures and offers an extensible plugin system for adding new structures and access patterns. It was forked from Redis before Redis changed to source-available licensing.
Is valkey free to use? What license does it have?
valkey is open source under the BSD-3-Clause license. Check the license terms before using it in commercial products.
Is valkey still maintained?
Actively maintained. The last commit to valkey was on Oct 22, 2026.
What can I use valkey for?
Caching layer for web applications and services. Realtime workloads that need fast key/value access. Migrating existing Redis deployments to an open-source fork.
How do I install valkey?
Build Valkey from source with the Makefile: make Start the server with the default configuration: cd src ./valkey-server Connect with the command-line client in another terminal: ./valkey-cli
Where can I get valkey?
The source code and installation instructions are on GitHub: https://github.com/valkey-io/valkey

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