head to head · open source
etcd vs cloudnative-pg
etcd has 52,270 GitHub stars, 10,506 forks, 351 open issues and last shipped today. cloudnative-pg has 9,321 stars, 764 forks, 444 open issues and last shipped today. etcd leads on adoption by 461% (52,270 vs 9,321 stars). etcd is written in Go under Apache-2.0; cloudnative-pg is written in Go under Apache-2.0. etcd has attracted 20% as many forks as stars, cloudnative-pg 8%. cloudnative-pg was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (database, kubernetes), 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 | cloudnative-pg | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 9.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 764 |
| 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 cloudnative-pg if
- You want the cloudnative-pg feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and cloudnative-pg fits your workflow better
About etcd
etcd is an Apache 2.0 licensed, Go written distributed key value store that holds the most critical data of a distributed system in a Raft replicated log, aimed at the platform and infrastructure engineers who must keep that control plane data consistent and available.
About cloudnative-pg
CloudNativePG is an open source operator, written in Go under the Apache 2.0 licence, that manages the full operational lifecycle of PostgreSQL clusters inside Kubernetes for platform teams and Kubernetes administrators.
read the full cloudnative-pg overview →
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Frequently asked questions
Is etcd or cloudnative-pg more popular?
etcd has 52,270 GitHub stars and cloudnative-pg has 9,321. etcd has the larger community by that measure.
Are etcd and cloudnative-pg free?
Both are open source. etcd is licensed under Apache-2.0 and cloudnative-pg under Apache-2.0. Neither carries a licence fee.
What is the difference between etcd and cloudnative-pg?
etcd is written in Go and cloudnative-pg in Go. 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 cloudnative-pg?
Choose etcd if you want the larger community (52,270 stars) or its Apache-2.0 licence terms. Choose cloudnative-pg if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.