head to head · open source
Uptime Kuma vs nezha
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. nezha has 10,390 stars, 1,616 forks, 54 open issues and last shipped 5 days ago. Uptime Kuma leads on adoption by 797% (93,190 vs 10,390 stars). Uptime Kuma is written in JavaScript under MIT; nezha is written in Go under WTFPL. Uptime Kuma has attracted 9% as many forks as stars, nezha 16%. Uptime Kuma 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 | nezha | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 10K |
| License | MIT | WTFPL |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-10-29 |
| 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 nezha if
- You want the nezha feature set and don't need the biggest community
- You prefer the WTFPL license terms
- Your stack matches Go
- You evaluated both and nezha 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 nezha
LOGO designed by 熊大 . :trollface: Nezha Monitoring: Self hostable, lightweight, servers and websites monitoring and O&M tool. Supports monitoring system status, HTTP (SSL certificate change, upcoming expiration, expired), TCP, Ping and supports push alerts , run scheduled tasks and web terminal . \ Telegram Channel: 哪吒监控（中文通知频道） \ Telegram Group: Nezha Monitoring Global (English Only), 哪吒监控（中文群组） \ Use Cases 我们的用户 (Google) Sponsors / 赞助商 VMRack 洛杉矶 VPS｜CN2 GIA + AS9929 + CMIN2 三网精品线路，AMD + NVMe 高性能！ 👉 vmrack 🚀 99CDN｜自建 CDN，不止是加速！ 边缘缓存 + 智能调度 + 自动故障切换 + 商业化运营 🌐 99cdn AxisNow｜自建私有部署 CDN｜订阅式高防 CDN 自主可控、灵活组合的 CDN…
read the full nezha overview →
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Frequently asked questions
Is Uptime Kuma or nezha more popular?
Uptime Kuma has 93,190 GitHub stars and nezha has 10,390. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and nezha free?
Both are open source. Uptime Kuma is licensed under MIT and nezha under WTFPL. Neither carries a licence fee.
What is the difference between Uptime Kuma and nezha?
Uptime Kuma is written in JavaScript and nezha in Go. 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 nezha?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose nezha if its feature set, stack or WTFPL licence fits better. Both are self-hostable.