head to head · open source
Umami vs Countly
Umami has 38,885 GitHub stars, 8,053 forks, 127 open issues and last shipped yesterday. Countly has 5,904 stars, 981 forks, 15 open issues and last shipped yesterday. Umami leads on adoption by 559% (38,885 vs 5,904 stars). Umami is written in TypeScript under MIT; Countly is written in JavaScript under a custom or non-standard licence. Umami has attracted 21% as many forks as stars, Countly 17%. Umami 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
| Umami | Countly | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 5.9K |
| License | MIT | Custom / other |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.1K | ⑂ 981 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Umami if
- You weight community size — 39K stars and counting
- You want the MIT 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 Umami
Umami is a privacy first, open source web and product analytics platform that gives site owners and product teams traffic, campaign, behavior, conversion and revenue reporting without cookies or surveillance, run either self hosted or in the cloud.
read the full Umami 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 Umami or Countly more popular?
Umami has 38,885 GitHub stars and Countly has 5,904. Umami has the larger community by that measure.
Are Umami and Countly free?
Both are open source. Umami is licensed under MIT, and Countly has no licence declared in this registry. Both are free to self-host.
What is the difference between Umami and Countly?
Umami 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, Umami or Countly?
Choose Umami if you want the larger community (38,885 stars) or its MIT licence terms. Choose Countly if its feature set, stack or Custom / other licence fits better. Both are self-hostable.