head to head · open source
Uptime Kuma vs parca
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. parca has 4,971 stars, 259 forks, 206 open issues and last shipped 15 days ago. Uptime Kuma leads on adoption by 1,741% (91,498 vs 4,971 stars). Uptime Kuma is written in JavaScript under MIT; parca is written in TypeScript under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, parca 5%. Uptime Kuma was the more recently maintained of the two, and both are self-hostable with no licence fee.
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 | parca | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 5.0K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-09-18 | 2026-09-03 |
| Forks | ⑂ 8.4K | ⑂ 259 |
| 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 parca if
- You want the parca feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and parca 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 parca
Parca is an open source continuous profiling system that records CPU and memory usage down to the line number and across time, built for platform, SRE, and performance engineers who run production workloads on Kubernetes or systemd.
read the full parca overview →
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Frequently asked questions
Is Uptime Kuma or parca more popular?
Uptime Kuma has 91,498 GitHub stars and parca has 4,971. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and parca free?
Both are open source. Uptime Kuma is licensed under MIT and parca under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and parca?
Uptime Kuma is written in JavaScript and parca in TypeScript. 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 parca?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose parca if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.