head to head · open source
Uptime Kuma vs OneUptime
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. OneUptime has 7,783 stars, 485 forks, 292 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 1,097% (93,190 vs 7,783 stars). Uptime Kuma is written in JavaScript under MIT; OneUptime is written in TypeScript under a custom or non-standard licence. Uptime Kuma has attracted 9% as many forks as stars, OneUptime 6%. OneUptime was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), 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 | OneUptime | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 7.8K |
| License | MIT | Custom / other |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 485 |
| 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 OneUptime if
- You want the OneUptime feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and OneUptime 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 OneUptime
English · 简体中文 · 繁體中文 · 日本語 · 한국어 · Español · Français · Deutsch · Português · Italiano · Русский · हिन्दी · فارسی · Nederlands · Dansk · Svenska · Norsk Agentic observability — one open source platform for uptime, incidents, on call, status pages, logs, traces, metrics & APM. When things go wrong, be the first to know — and the fastest to fix. OneUptime replaces a whole shelf of SaaS tools with one platform you can self host for free. It catches the outage, pages the right person, updates your status page, finds the root cause, and even opens the fix PR. Website • Docs • Quick Start • Pricing • Contribute 🚀…
read the full OneUptime overview →
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Frequently asked questions
Is Uptime Kuma or OneUptime more popular?
Uptime Kuma has 93,190 GitHub stars and OneUptime has 7,783. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and OneUptime free?
Both are open source. Uptime Kuma is licensed under MIT, and OneUptime has no licence declared in this registry. Both are free to self-host.
What is the difference between Uptime Kuma and OneUptime?
Uptime Kuma is written in JavaScript and OneUptime 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, Uptime Kuma or OneUptime?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose OneUptime if its feature set, stack or Custom / other licence fits better. Both are self-hostable.