head to head · open source
etcd vs kubeblocks
etcd has 52,441 GitHub stars, 10,552 forks, 351 open issues and last shipped yesterday. kubeblocks has 3,162 stars, 285 forks, 260 open issues and last shipped yesterday. etcd leads on adoption by 1,558% (52,441 vs 3,162 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%. etcd 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 | ★ 3.2K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 11K | ⑂ 285 |
| 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 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 kubeblocks
Welcome to the KubeBlocks project! Motivation If you are a developer using multiple types of databases in your application and are considering deploying both your application and databases on K8s for cost or efficiency reasons, you need to find suitable operators for each database. Learning so many different operators and their APIs introduces a significant learning curve and time costs, not to mention the effort required to maintain them. KubeBlocks uses a unified set of APIs (CRDs) and code to manage various databases on K8s. For example, we can use the Cluster resource to create a PostgreSQL cluster, a Redis…
read the full kubeblocks overview →
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Frequently asked questions
Is etcd or kubeblocks more popular?
etcd has 52,441 GitHub stars and kubeblocks has 3,162. 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 (52,441 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.