head to head · open source
Uptime Kuma vs bottom
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. bottom has 14,032 stars, 385 forks, 103 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 552% (91,477 vs 14,032 stars). Uptime Kuma is written in JavaScript under MIT; bottom is written in Rust under MIT. Uptime Kuma has attracted 9% as many forks as stars, bottom 3%. 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.
← all 8884 open source comparisons
Side by side
| Uptime Kuma | bottom | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 14K |
| License | MIT | MIT |
| Written in | JavaScript | Rust |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 385 |
| 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 bottom if
- You want the bottom feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Rust
- You evaluated both and bottom 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 bottom
bottom is a customizable cross platform graphical process and system monitor that runs inside the terminal, written in Rust and aimed at developers, system administrators, and anyone who wants an interactive view of CPU, memory, network, disk, and process activity without leaving the shell.
read the full bottom overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Uptime Kuma or bottom more popular?
Uptime Kuma has 91,477 GitHub stars and bottom has 14,032. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and bottom free?
Both are open source. Uptime Kuma is licensed under MIT and bottom under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and bottom?
Uptime Kuma is written in JavaScript and bottom 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 bottom?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose bottom if its feature set, stack or MIT licence fits better. Both are self-hostable.