head to head · open source
Umami vs Vemetric
Umami has 39,874 GitHub stars, 8,471 forks, 127 open issues and last shipped 2 days ago. Vemetric has 396 stars, 36 forks, 8 open issues and last shipped 2 days ago. Umami leads on adoption by 9,969% (39,874 vs 396 stars). Umami is written in TypeScript under MIT; Vemetric is written in TypeScript under AGPL-3.0. Umami has attracted 21% as many forks as stars, Vemetric 9%. Umami 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
| Umami | Vemetric | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 396 |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-01 | 2026-11-01 |
| Forks | ⑂ 8.5K | ⑂ 36 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Umami if
- You weight community size — 40K stars and counting
- You want the MIT 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 Umami
Umami Umami is a privacy first analytics platform. Traffic, campaigns, behavior, conversions, and revenue in one place — no cookies, no surveillance, self hosted or in the cloud. 🚀 Getting Started A detailed getting started guide can be found at umami.is/docs. 🛠 Installing from Source Requirements A server with Node.js version 18.18+. A PostgreSQL database version v12.14+. Get the source code and install packages Configure Umami Create an .env file with the following: Optional: set API URL to change the base URL used by internal UI API calls. Relative paths are served under BASE PATH ; absolute URLs are…
read the full Umami overview →
About Vemetric
Vemetric Simple, yet powerful Web & Product Analytics. Website · Documentation About Vemetric is an open source web and product analytics platform that helps you understand your users' behavior. It's designed to be simple yet powerful, providing insights into how users interact with your website or product. Features Real time analytics Behavior tracking via User Journeys Custom event tracking Powerful filtering mechanisms to see how your users interact with your Product & Website Tracking across several subdomains Contributing We love your input! Doesn't matter if you want to report a bug, fix an issue, or even…
read the full Vemetric overview →
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Frequently asked questions
Is Umami or Vemetric more popular?
Umami has 39,874 GitHub stars and Vemetric has 396. Umami has the larger community by that measure.
Are Umami and Vemetric free?
Both are open source. Umami is licensed under MIT and Vemetric under AGPL-3.0. Neither carries a licence fee.
What is the difference between Umami and Vemetric?
Umami 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, Umami or Vemetric?
Choose Umami if you want the larger community (39,874 stars) or its MIT licence terms. Choose Vemetric if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.