head to head · open source
Uptime Kuma vs tracing
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. tracing has 6,877 stars, 932 forks, 887 open issues and last shipped 4 months ago. Uptime Kuma leads on adoption by 1,230% (91,477 vs 6,877 stars). Uptime Kuma is written in JavaScript under MIT; tracing is written in Rust under MIT. Uptime Kuma has attracted 9% as many forks as stars, tracing 14%. 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 | tracing | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 6.9K |
| License | MIT | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-09-17 | 2026-05-30 |
| Forks | ⑂ 8.4K | ⑂ 932 |
| 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 tracing if
- You want the tracing feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and tracing 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 tracing
tracing is a Rust framework for instrumenting programs to collect structured, event based diagnostic information, and it is aimed at Rust developers and library authors who need observability beyond plain text log lines.
read the full tracing overview →
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Frequently asked questions
Is Uptime Kuma or tracing more popular?
Uptime Kuma has 91,477 GitHub stars and tracing has 6,877. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and tracing free?
Both are open source. Uptime Kuma is licensed under MIT and tracing under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and tracing?
Uptime Kuma is written in JavaScript and tracing in Rust. 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 tracing?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose tracing if its feature set, stack or MIT licence fits better. Both are self-hostable.