head to head · open source
Uptime Kuma vs Bugsink
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. Bugsink has 2,158 stars, 144 forks, 121 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 4,218% (93,190 vs 2,158 stars). Uptime Kuma is written in JavaScript under MIT; Bugsink is written in Python under a custom or non-standard licence. Uptime Kuma has attracted 9% as many forks as stars, Bugsink 7%. 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 | Bugsink | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.2K |
| License | MIT | Custom / other |
| Written in | JavaScript | Python |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 144 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 93K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Bugsink if
- You want the Bugsink feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Bugsink fits your workflow better
About Uptime Kuma
Uptime Kuma Uptime Kuma is an easy to use self hosted monitoring tool. 🥔 Live Demo Try it! Demo Server (Location: Frankfurt Germany): It is a temporary live demo, all data will be deleted after 10 minutes. Sponsored by Uptime Kuma Sponsors. ⭐ Features Monitoring uptime for HTTP(s) / TCP / HTTP(s) Keyword / HTTP(s) Json Query / Websocket / Ping / DNS Record / Push / Steam Game Server / Docker Containers Fancy, Reactive, Fast UI/UX Notifications via Telegram, Discord, Gotify, Slack, Pushover, Email (SMTP), and 90+ notification services, click here for the full list 20 second intervals Multi Languages Multiple…
read the full Uptime Kuma overview →
About Bugsink
Bugsink: Self hosted Error Tracking Error Tracking Built to self host Sentry SDK compatible Scalable and reliable Screenshot Installation & docs The quickest way to evaluate Bugsink is to spin up a throw away instance using Docker: Visit where you'll see a login screen. The default username and password are admin . Now, you can set up your first project and start tracking errors. Detailed installation instructions are on the Bugsink website. More information and documentation
read the full Bugsink overview →
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Frequently asked questions
Is Uptime Kuma or Bugsink more popular?
Uptime Kuma has 93,190 GitHub stars and Bugsink has 2,158. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and Bugsink free?
Both are open source. Uptime Kuma is licensed under MIT, and Bugsink has no licence declared in this registry. Both are free to self-host.
What is the difference between Uptime Kuma and Bugsink?
Uptime Kuma is written in JavaScript and Bugsink in Python. 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 Bugsink?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose Bugsink if its feature set, stack or Custom / other licence fits better. Both are self-hostable.