head to head · open source
Uptime Kuma vs hl
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. hl has 3,289 stars, 66 forks, 13 open issues and last shipped 4 days ago. Uptime Kuma leads on adoption by 2,682% (91,498 vs 3,289 stars). Uptime Kuma is written in JavaScript under MIT; hl is written in Rust under MIT. Uptime Kuma has attracted 9% as many forks as stars, hl 2%. 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 | hl | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.3K |
| License | MIT | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-09-18 | 2026-09-14 |
| Forks | ⑂ 8.4K | ⑂ 66 |
| 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 hl if
- You want the hl feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and hl 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 hl
hl [![Build Status][ci img]][ci] [![Coverage Status][cov img]][cov] [![Release][release img]][release] High performance log viewer and processor that transforms logs in JSON and logfmt formats into a human readable output. Built with efficiency in mind, it enables quick parsing and analysis of large log files with minimal overhead. Features overview Automatic Pager Integration : Automatically integrates with a pager for enhanced convenience, defaulting to less if available, but fully supporting any compatible pager. Log Streaming Mode : Enable log streaming with the P flag, which disables the pager. Field Based F…
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Frequently asked questions
Is Uptime Kuma or hl more popular?
Uptime Kuma has 91,498 GitHub stars and hl has 3,289. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and hl free?
Both are open source. Uptime Kuma is licensed under MIT and hl under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and hl?
Uptime Kuma is written in JavaScript and hl 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 hl?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose hl if its feature set, stack or MIT licence fits better. Both are self-hostable.