head to head · open source
Matomo vs offen
Matomo has 22,002 GitHub stars, 2,925 forks, 2,578 open issues and last shipped yesterday. offen has 982 stars, 54 forks, 18 open issues and last shipped 8 months ago. Matomo leads on adoption by 2,141% (22,002 vs 982 stars). Matomo is written in PHP under GPL-3.0; offen is written in JavaScript under Apache-2.0. Matomo has attracted 13% as many forks as stars, offen 5%. Matomo was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (privacy), 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
| Matomo | offen | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 982 |
| License | GPL-3.0 | Apache-2.0 |
| Written in | PHP | JavaScript |
| Last push | 2026-11-02 | 2026-03-04 |
| Forks | ⑂ 2.9K | ⑂ 54 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Matomo if
- You weight community size — 22K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick offen if
- You want the offen feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and offen fits your workflow better
About Matomo
Matomo (formerly Piwik) matomo.org Code Status Description Matomo is the leading Free/Libre open analytics platform. Matomo is a full featured PHP MySQL software program that you download and install on your own webserver. At the end of the five minute installation process, you will be given a JavaScript code. Simply copy and paste this tag on websites you wish to track and access your analytics reports in real time. Matomo aims to be a Free software alternative to Google Analytics and is already used on more than 1,400,000 websites. Privacy is built in! Mission Statement « To create, as a community, the leading…
read the full Matomo overview →
About offen
Offen Fair Web Analytics Let your users access their data. Gain valuable insights at the same time. Open, lightweight, self hosted and free. Contents Software Core features How it works Essential metrics Objectives Localize Customize Test drive License Community Feedback and contributions welcome Kind support Who's using Offen Fair Web Analytics? Links Core features Secure & free Our code is open source. All usage data is encrypted end to end. Offen Fair Web Analytics will always be available for free. Self hosted Comply with GDPR guidelines. No ads, no third parties involved. Offen Fair Web Analytics uses first…
read the full offen overview →
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Frequently asked questions
Is Matomo or offen more popular?
Matomo has 22,002 GitHub stars and offen has 982. Matomo has the larger community by that measure.
Are Matomo and offen free?
Both are open source. Matomo is licensed under GPL-3.0 and offen under Apache-2.0. Neither carries a licence fee.
What is the difference between Matomo and offen?
Matomo is written in PHP and offen 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, Matomo or offen?
Choose Matomo if you want the larger community (22,002 stars) or its GPL-3.0 licence terms. Choose offen if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.