head to head · open source
Uptime Kuma vs pcm
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped yesterday. pcm has 3,331 stars, 528 forks, 69 open issues and last shipped 3 days ago. Uptime Kuma leads on adoption by 2,647% (91,498 vs 3,331 stars). Uptime Kuma is written in JavaScript under MIT; pcm is written in C++ under BSD-3-Clause. Uptime Kuma has attracted 9% as many forks as stars, pcm 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 | pcm | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.3K |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | C++ |
| Last push | 2026-09-18 | 2026-09-16 |
| Forks | ⑂ 8.4K | ⑂ 528 |
| 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 pcm if
- You want the pcm feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and pcm 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 pcm
Intel® Performance Counter Monitor (Intel® PCM) is a BSD 3 Clause licensed C++ API and command line toolset from Intel for monitoring the performance and energy metrics of Intel® Core™, Xeon®, Atom™ and Xeon Phi™ processors.
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Frequently asked questions
Is Uptime Kuma or pcm more popular?
Uptime Kuma has 91,498 GitHub stars and pcm has 3,331. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and pcm free?
Both are open source. Uptime Kuma is licensed under MIT and pcm under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and pcm?
Uptime Kuma is written in JavaScript and pcm in C++. 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 pcm?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose pcm if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.