head to head · open source
etcd vs kubeblocks
etcd has 52,270 GitHub stars, 10,506 forks, 351 open issues and last shipped yesterday. kubeblocks has 3,130 stars, 280 forks, 260 open issues and last shipped yesterday. etcd leads on adoption by 1,570% (52,270 vs 3,130 stars). etcd is written in Go under Apache-2.0; kubeblocks is written in Go under AGPL-3.0. etcd has attracted 20% as many forks as stars, kubeblocks 9%. kubeblocks was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | kubeblocks | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 3.1K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 11K | ⑂ 280 |
| 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 kubeblocks if
- You want the kubeblocks feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and kubeblocks 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 kubeblocks
KubeBlocks is an open source control plane and Kubernetes Operator that runs and manages many popular database and streaming engines through one unified set of CRDs and operator code, built for developers and platform teams who deploy their applications and their databases on Kubernetes.
read the full kubeblocks overview →
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Frequently asked questions
Is etcd or kubeblocks more popular?
etcd has 52,270 GitHub stars and kubeblocks has 3,130. etcd has the larger community by that measure.
Are etcd and kubeblocks free?
Both are open source. etcd is licensed under Apache-2.0 and kubeblocks under AGPL-3.0. Neither carries a licence fee.
What is the difference between etcd and kubeblocks?
etcd is written in Go and kubeblocks 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 kubeblocks?
Choose etcd if you want the larger community (52,270 stars) or its Apache-2.0 licence terms. Choose kubeblocks if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.