head to head · open source
etcd vs lettuce
etcd has 52,441 GitHub stars, 10,552 forks, 351 open issues and last shipped yesterday. lettuce has 5,786 stars, 1,115 forks, 204 open issues and last shipped yesterday. etcd leads on adoption by 806% (52,441 vs 5,786 stars). etcd is written in Go under Apache-2.0; lettuce is written in Java under MIT. etcd has attracted 20% as many forks as stars, lettuce 19%. etcd was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| etcd | lettuce | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 5.8K |
| License | Apache-2.0 | MIT |
| Written in | Go | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick etcd if
- You weight community size — 52K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick lettuce if
- You want the lettuce feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Java
- You evaluated both and lettuce fits your workflow better
About etcd
etcd Note : The main branch may be in an unstable or even broken state during development. For stable versions, see [releases][github release]. etcd is a distributed reliable key value store for the most critical data of a distributed system, with a focus on being: Simple : well defined, user facing API (gRPC) Secure : automatic TLS with optional client cert authentication Fast : benchmarked 10,000 writes/sec Reliable : properly distributed using Raft etcd is written in Go and uses the [Raft][] consensus algorithm to manage a highly available replicated log. etcd is used in production by many companies, and the…
About lettuce
Lettuce Advanced Java Redis client =============================== Lettuce is a scalable thread safe Redis client for synchronous, asynchronous and reactive usage. Multiple threads may share one connection if they avoid blocking and transactional operations such as BLPOP and MULTI / EXEC . Lettuce is built with netty. Supports advanced Redis features such as Sentinel, Cluster, Pipelining, Auto Reconnect and Redis data models. This version of Lettuce has been tested against the latest Redis source build. synchronous, asynchronous and reactive usage Redis Sentinel Redis Cluster SSL and Unix Domain Socket…
read the full lettuce overview →
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Frequently asked questions
Is etcd or lettuce more popular?
etcd has 52,441 GitHub stars and lettuce has 5,786. etcd has the larger community by that measure.
Are etcd and lettuce free?
Both are open source. etcd is licensed under Apache-2.0 and lettuce under MIT. Neither carries a licence fee.
What is the difference between etcd and lettuce?
etcd is written in Go and lettuce in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, etcd or lettuce?
Choose etcd if you want the larger community (52,441 stars) or its Apache-2.0 licence terms. Choose lettuce if its feature set, stack or MIT licence fits better. Both are self-hostable.