head to head · open source
Uptime Kuma vs rsyslog
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. rsyslog has 2,345 stars, 743 forks, 207 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 3,874% (93,190 vs 2,345 stars). Uptime Kuma is written in JavaScript under MIT; rsyslog is written in C under LGPL-3.0. Uptime Kuma has attracted 9% as many forks as stars, rsyslog 32%. rsyslog 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 | rsyslog | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.3K |
| License | MIT | LGPL-3.0 |
| Written in | JavaScript | C |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 743 |
| 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 rsyslog if
- You want the rsyslog feature set and don't need the biggest community
- You prefer the LGPL-3.0 license terms
- Your stack matches C
- You evaluated both and rsyslog 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 rsyslog
Rsyslog – What Is It? Rsyslog is a r ocket fast sys tem for log processing pipelines. It offers high performance, advanced security features, and a modular microkernel like architecture . Originally a regular syslogd, rsyslog has evolved into a highly versatile logging solution capable of ingesting data from numerous sources, transforming it, and outputting it to a wide variety of destinations. Rsyslog can deliver over one million messages per second to local destinations under minimal processing (based on v7, Dec 2013). Even with complex routing and remote forwarding, performance remains excellent. Table of…
read the full rsyslog overview →
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Frequently asked questions
Is Uptime Kuma or rsyslog more popular?
Uptime Kuma has 93,190 GitHub stars and rsyslog has 2,345. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and rsyslog free?
Both are open source. Uptime Kuma is licensed under MIT and rsyslog under LGPL-3.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and rsyslog?
Uptime Kuma is written in JavaScript and rsyslog in C. 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 rsyslog?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose rsyslog if its feature set, stack or LGPL-3.0 licence fits better. Both are self-hostable.