head to head · open source
Uptime Kuma vs litter
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. litter has 1,655 stars, 60 forks, 17 open issues and last shipped 5 months ago. Uptime Kuma leads on adoption by 5,429% (91,498 vs 1,655 stars). Uptime Kuma is written in JavaScript under MIT; litter is written in Go under MIT. Uptime Kuma has attracted 9% as many forks as stars, litter 4%. 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 | litter | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 1.7K |
| License | MIT | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2026-05-04 |
| Forks | ⑂ 8.4K | ⑂ 60 |
| 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 litter if
- You want the litter feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and litter 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 litter
Litter Litter is a pretty printer library for Go data structures to aid in debugging and testing. Litter is provided by Sanity: The Headless CMS Construction Kit Litter named for the fact that it outputs literals , which you litter your output with. As a side benefit, all Litter output is syntactically correct Go. You can use Litter to emit data during debug, and it's also really nice for "snapshot data" in unit tests, since it produces consistent, sorted output. Litter was inspired by Spew, but focuses on terseness and readability. Basic example This: will output: Use in tests Litter is a great alternative to JS…
read the full litter overview →
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Frequently asked questions
Is Uptime Kuma or litter more popular?
Uptime Kuma has 91,498 GitHub stars and litter has 1,655. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and litter free?
Both are open source. Uptime Kuma is licensed under MIT and litter under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and litter?
Uptime Kuma is written in JavaScript and litter 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 litter?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose litter if its feature set, stack or MIT licence fits better. Both are self-hostable.