head to head · open source
etcd vs WatermelonDB
etcd has 52,441 GitHub stars, 10,552 forks, 351 open issues and last shipped yesterday. WatermelonDB has 11,797 stars, 663 forks, 304 open issues and last shipped 2 months ago. etcd leads on adoption by 345% (52,441 vs 11,797 stars). etcd is written in Go under Apache-2.0; WatermelonDB is written in JavaScript under MIT. etcd has attracted 20% as many forks as stars, WatermelonDB 6%. 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 | WatermelonDB | |
|---|---|---|
| GitHub stars | ★ 52K | ★ 12K |
| License | Apache-2.0 | MIT |
| Written in | Go | JavaScript |
| Last push | 2026-11-02 | 2026-09-16 |
| Forks | ⑂ 11K | ⑂ 663 |
| 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 WatermelonDB if
- You want the WatermelonDB feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and WatermelonDB 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 WatermelonDB
A reactive database framework Build powerful React and React Native apps that scale from hundreds to tens of thousands of records and remain fast ⚡️ Why Watermelon? WatermelonDB is a new way of dealing with user data in React Native and React web apps. It's optimized for building complex applications in React Native, and the number one goal is real world performance . In simple words, your app must launch fast . For simple apps, using Redux or MobX with a persistence adapter is the easiest way to go. But when you start scaling to thousands or tens of thousands of database records, your app will now be slow to…
read the full WatermelonDB overview →
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Frequently asked questions
Is etcd or WatermelonDB more popular?
etcd has 52,441 GitHub stars and WatermelonDB has 11,797. etcd has the larger community by that measure.
Are etcd and WatermelonDB free?
Both are open source. etcd is licensed under Apache-2.0 and WatermelonDB under MIT. Neither carries a licence fee.
What is the difference between etcd and WatermelonDB?
etcd is written in Go and WatermelonDB in JavaScript. 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 WatermelonDB?
Choose etcd if you want the larger community (52,441 stars) or its Apache-2.0 licence terms. Choose WatermelonDB if its feature set, stack or MIT licence fits better. Both are self-hostable.