head to head · open source
Uptime Kuma vs Cachet
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Cachet has 15,263 stars, 1,631 forks, 7 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 511% (93,190 vs 15,263 stars). Uptime Kuma is written in JavaScript under MIT; Cachet is written in PHP under a custom or non-standard licence. Uptime Kuma has attracted 9% as many forks as stars, Cachet 11%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (self-hosted, selfhosted), 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
| Uptime Kuma | Cachet | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 15K |
| License | MIT | Custom / other |
| Written in | JavaScript | PHP |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 1.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Cachet if
- You want the Cachet feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and Cachet fits your workflow better
About Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
read the full Uptime Kuma overview →
About Cachet
Cachet, the open source self hosted status page system. Cachet 3.x Announcement For more information on the Cachet rebuild and our plans for 3.x, you can read the announcement here. Requirements PHP 8.3 or later Composer A supported database: MariaDB, MySQL, PostgreSQL or SQLite Installation, Upgrades and Documentation You can find documentation at Here are some useful quick links: Installing Cachet Demo To test out the v3 demo, you can log in to the Cachet dashboard with the following credentials: Email: test@test.com Password: test123 Note The demo automatically resets every 30 minutes. Sponsors Security…
read the full Cachet overview →
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Frequently asked questions
Is Uptime Kuma or Cachet more popular?
Uptime Kuma has 93,190 GitHub stars and Cachet has 15,263. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Cachet free?
Both are open source. Uptime Kuma is licensed under MIT, and Cachet has no licence declared in this registry. Both are free to self-host.
What is the difference between Uptime Kuma and Cachet?
Uptime Kuma is written in JavaScript and Cachet in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Uptime Kuma or Cachet?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Cachet if its feature set, stack or Custom / other licence fits better. Both are self-hostable.