head to head · open source
Rybbit vs Vemetric
Rybbit has 13,018 GitHub stars, 743 forks, 198 open issues and last shipped 2 days ago. Vemetric has 390 stars, 36 forks, 8 open issues and last shipped yesterday. Rybbit leads on adoption by 3,238% (13,018 vs 390 stars). Rybbit is written in TypeScript under AGPL-3.0; Vemetric is written in TypeScript under AGPL-3.0. Rybbit has attracted 6% as many forks as stars, Vemetric 9%. Vemetric was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (analytics, product-analytics, web-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 | Vemetric | |
|---|---|---|
| GitHub stars | ★ 13K | ★ 390 |
| License | AGPL-3.0 | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 743 | ⑂ 36 |
| 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 Vemetric if
- You want the Vemetric feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Vemetric 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 Vemetric
Vemetric is an open source web and product analytics platform, written in TypeScript and licensed under AGPL 3.0, for teams and site owners who want to understand how users behave across a website or a product.
read the full Vemetric overview →
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Frequently asked questions
Is Rybbit or Vemetric more popular?
Rybbit has 13,018 GitHub stars and Vemetric has 390. Rybbit has the larger community by that measure.
Are Rybbit and Vemetric free?
Both are open source. Rybbit is licensed under AGPL-3.0 and Vemetric under AGPL-3.0. Neither carries a licence fee.
What is the difference between Rybbit and Vemetric?
Rybbit is written in TypeScript and Vemetric in TypeScript. 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 Vemetric?
Choose Rybbit if you want the larger community (13,018 stars) or its AGPL-3.0 licence terms. Choose Vemetric if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.