head to head · open source
Uptime Kuma vs NetData
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. NetData has 80,561 stars, 6,630 forks, 393 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 14% (91,477 vs 80,561 stars). Uptime Kuma is written in JavaScript under MIT; NetData is written in Go under GPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, NetData 8%. 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 (docker), 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 | NetData | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 81K |
| License | MIT | GPL-3.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 6.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick NetData if
- You want the NetData feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and NetData fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About NetData
Netdata is an open source, real time infrastructure monitoring platform written in Go and released under GPL 3.0, built for operators and lean teams who need per second visibility across Linux, macOS, FreeBSD, and Windows systems.
read the full NetData overview →
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Frequently asked questions
Is Uptime Kuma or NetData more popular?
Uptime Kuma has 91,477 GitHub stars and NetData has 80,561. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and NetData free?
Both are open source. Uptime Kuma is licensed under MIT and NetData under GPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and NetData?
Uptime Kuma is written in JavaScript and NetData 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 NetData?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose NetData if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.