head to head · open source
Umami vs tianji
Umami has 38,885 GitHub stars, 8,053 forks, 127 open issues and last shipped yesterday. tianji has 3,098 stars, 194 forks, 139 open issues and last shipped yesterday. Umami leads on adoption by 1,155% (38,885 vs 3,098 stars). Umami is written in TypeScript under MIT; tianji is written in TypeScript under Apache-2.0. Umami has attracted 21% as many forks as stars, tianji 6%. tianji was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 3 topic tags (analytics, google-analytics, statistics), 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 | tianji | |
|---|---|---|
| GitHub stars | ★ 39K | ★ 3.1K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.1K | ⑂ 194 |
| 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 tianji if
- You want the tianji feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and tianji 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 tianji
Tianji is a self hosted TypeScript project that combines website analytics, uptime monitoring, and server status in one application under the Apache 2.0 license. It is positioned as an all in one insight hub rather than only another Google Analytics alternative, and it lives in the web and product analytics ecosystem alongside tools such as Umami, Google Analytics, uptime monitors, and server status collectors.
read the full tianji overview →
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Frequently asked questions
Is Umami or tianji more popular?
Umami has 38,885 GitHub stars and tianji has 3,098. Umami has the larger community by that measure.
Are Umami and tianji free?
Both are open source. Umami is licensed under MIT and tianji under Apache-2.0. Neither carries a licence fee.
What is the difference between Umami and tianji?
Umami is written in TypeScript and tianji 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 tianji?
Choose Umami if you want the larger community (38,885 stars) or its MIT licence terms. Choose tianji if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.