head to head · open source
Sentry vs bottom
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. bottom has 14,035 stars, 385 forks, 103 open issues and last shipped 2 days ago. Sentry leads on adoption by 219% (44,806 vs 14,035 stars). Sentry is written in Python under a custom or non-standard licence; bottom is written in Rust under MIT. Sentry has attracted 11% as many forks as stars, bottom 3%. Sentry 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.
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Side by side
| Sentry | bottom | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 14K |
| License | Custom / other | MIT |
| Written in | Python | Rust |
| Last push | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 4.9K | ⑂ 385 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- 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 Sentry
Sentry is an open source debugging platform for detecting, tracing, and fixing software issues in real time. It lives in the developer infrastructure ecosystem and provides error tracking and performance monitoring across languages, frameworks, and runtime environments.
read the full Sentry 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 →
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Frequently asked questions
Is Sentry or bottom more popular?
Sentry has 44,806 GitHub stars and bottom has 14,035. Sentry has the larger community by that measure.
Are Sentry and bottom free?
Both are open source. Sentry has no licence declared in this registry, and bottom is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and bottom?
Sentry is written in Python 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, Sentry or bottom?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose bottom if its feature set, stack or MIT licence fits better. Both are self-hostable.