head to head · open source
etcd vs TiDB
etcd has 52,270 GitHub stars, 10,504 forks, 351 open issues and last shipped yesterday. TiDB has 40,541 stars, 6,242 forks, 6,976 open issues and last shipped yesterday. etcd leads on adoption by 29% (52,270 vs 40,541 stars). etcd is written in Go under Apache-2.0; TiDB is written in Go under Apache-2.0. etcd has attracted 20% as many forks as stars, TiDB 15%. TiDB was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (database, distributed-database, go), 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 | TiDB | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 41K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 11K | ⑂ 6.2K |
| 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 TiDB if
- You want the TiDB 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 TiDB 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 TiDB
TiDB is an open source, cloud native, distributed SQL database written in Go and licensed under Apache 2.0, aimed at teams that need ACID transactions, real time analytics, and vector search at scale without data silos.
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Frequently asked questions
Is etcd or TiDB more popular?
etcd has 52,270 GitHub stars and TiDB has 40,541. etcd has the larger community by that measure.
Are etcd and TiDB free?
Both are open source. etcd is licensed under Apache-2.0 and TiDB under Apache-2.0. Neither carries a licence fee.
What is the difference between etcd and TiDB?
etcd is written in Go and TiDB 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 TiDB?
Choose etcd if you want the larger community (52,270 stars) or its Apache-2.0 licence terms. Choose TiDB if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.