head to head · open source
etcd vs Chroma
etcd has 52,441 GitHub stars, 10,552 forks, 351 open issues and last shipped yesterday. Chroma has 29,625 stars, 2,604 forks, 843 open issues and last shipped 4 days ago. etcd leads on adoption by 77% (52,441 vs 29,625 stars). etcd is written in Go under Apache-2.0; Chroma is written in Rust under Apache-2.0. etcd has attracted 20% as many forks as stars, Chroma 9%. etcd was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (database), so they are genuine substitutes rather than adjacent tools.
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 | Chroma | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 30K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Rust |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 11K | ⑂ 2.6K |
| 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 Chroma if
- You want the Chroma feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and Chroma 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 Chroma
Chroma the open source data infrastructure for AI . Docs Homepage Chroma Cloud Our hosted service, Chroma Cloud, powers serverless vector, hybrid, and full text search. It's extremely fast, cost effective, scalable and painless. Create a DB and try it out in under 30 seconds with $5 of free credits. Get started with Chroma Cloud API The core API is only 4 functions (run our 💡 Google Colab): Learn about all features on our Docs Get involved Chroma is a rapidly developing project. We welcome PR contributors and ideas for how to improve the project. Join the conversation on Discord contributing channel Review the…
read the full Chroma overview →
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Frequently asked questions
Is etcd or Chroma more popular?
etcd has 52,441 GitHub stars and Chroma has 29,625. etcd has the larger community by that measure.
Are etcd and Chroma free?
Both are open source. etcd is licensed under Apache-2.0 and Chroma under Apache-2.0. Neither carries a licence fee.
What is the difference between etcd and Chroma?
etcd is written in Go and Chroma in Rust. 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 Chroma?
Choose etcd if you want the larger community (52,441 stars) or its Apache-2.0 licence terms. Choose Chroma if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.