head to head · open source
Rybbit vs Countly
Rybbit has 13,018 GitHub stars, 743 forks, 198 open issues and last shipped 2 days ago. Countly has 5,904 stars, 981 forks, 15 open issues and last shipped yesterday. Rybbit leads on adoption by 120% (13,018 vs 5,904 stars). Rybbit is written in TypeScript under AGPL-3.0; Countly is written in JavaScript under a custom or non-standard licence. Rybbit has attracted 6% as many forks as stars, Countly 17%. Countly was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), 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
| Rybbit | Countly | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 5.9K |
| License | AGPL-3.0 | Custom / other |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 743 | ⑂ 981 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Rybbit if
- You weight community size — 13K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Countly if
- You want the Countly feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches JavaScript
- You evaluated both and Countly fits your workflow better
About Rybbit
Rybbit is an open source web and product analytics project written in TypeScript and licensed under AGPL 3.0. It lives in the data and analytics ecosystem, specifically web and product analytics, with repository topics including analytics, google analytics, product analytics, and web analytics. The README describes it as a privacy friendly alternative to Google Analytics, with a hosted service and a self hosted path for teams that want audience data without cookies.
read the full Rybbit overview →
About Countly
Countly is a privacy first, AI ready analytics and customer engagement platform that organizations deploy themselves rather than consume only as a hosted service. The server side component lives in this repository and is written in JavaScript, sitting in the JavaScript and Node.js ecosystem alongside the client SDKs that ship separately for iOS, Android, React Native, Flutter, NodeJS, Unity, Java and JavaScript. The platform is built around the idea that customer data should stay under the operator's control: Countly runs on premises or in a private cloud, and the project describes full data ownership, deployment…
read the full Countly overview →
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Frequently asked questions
Is Rybbit or Countly more popular?
Rybbit has 13,018 GitHub stars and Countly has 5,904. Rybbit has the larger community by that measure.
Are Rybbit and Countly free?
Both are open source. Rybbit is licensed under AGPL-3.0, and Countly has no licence declared in this registry. Both are free to self-host.
What is the difference between Rybbit and Countly?
Rybbit is written in TypeScript and Countly 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, Rybbit or Countly?
Choose Rybbit if you want the larger community (13,018 stars) or its AGPL-3.0 licence terms. Choose Countly if its feature set, stack or Custom / other licence fits better. Both are self-hostable.