head to head · open source
Uptime Kuma vs pmm
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. pmm has 1,107 stars, 231 forks, 240 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 8,165% (91,498 vs 1,107 stars). Uptime Kuma is written in JavaScript under MIT; pmm is written in Go under AGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, pmm 21%. pmm 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 | pmm | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.1K |
| License | MIT | AGPL-3.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 8.4K | ⑂ 231 |
| 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 pmm if
- You want the pmm 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 pmm 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 pmm
Percona Monitoring and Management (PMM) is an open source database monitoring, observability and management tool, licensed AGPL 3.0, that gives MySQL, MongoDB, PostgreSQL, Valkey and Redis operators a single pane of glass over database performance, security and availability.
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Frequently asked questions
Is Uptime Kuma or pmm more popular?
Uptime Kuma has 91,498 GitHub stars and pmm has 1,107. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and pmm free?
Both are open source. Uptime Kuma is licensed under MIT and pmm under AGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and pmm?
Uptime Kuma is written in JavaScript and pmm 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 pmm?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose pmm if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.