head to head · open source
Uptime Kuma vs ongrid
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. ongrid has 1,053 stars, 224 forks, 74 open issues and last shipped 3 days ago. Uptime Kuma leads on adoption by 8,589% (91,498 vs 1,053 stars). Uptime Kuma is written in JavaScript under MIT; ongrid is written in Go under AGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, ongrid 21%. 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 (monitoring, self-hosted), 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 | ongrid | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.1K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 8.4K | ⑂ 224 |
| 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 ongrid if
- You want the ongrid feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and ongrid 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 ongrid
Ongrid is an open source, self hosted ops AI agent that reads metrics, logs, traces and topology to find the root cause of an incident and act on it from Slack, Telegram, Lark or DingTalk.
read the full ongrid overview →
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Frequently asked questions
Is Uptime Kuma or ongrid more popular?
Uptime Kuma has 91,498 GitHub stars and ongrid has 1,053. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and ongrid free?
Both are open source. Uptime Kuma is licensed under MIT and ongrid under AGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and ongrid?
Uptime Kuma is written in JavaScript and ongrid 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 ongrid?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose ongrid if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.