head to head · open source
Uptime Kuma vs g3log
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. g3log has 966 stars, 280 forks, 0 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 9,547% (93,190 vs 966 stars). Uptime Kuma is written in JavaScript under MIT; g3log is written in C++ under Unlicense. Uptime Kuma has attracted 9% as many forks as stars, g3log 29%. 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 | g3log | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 966 |
| License | MIT | Unlicense |
| Written in | JavaScript | C++ |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 280 |
| 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 g3log if
- You want the g3log feature set and don't need the biggest community
- You prefer the Unlicense license terms
- Your stack matches C++
- You evaluated both and g3log 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 g3log
Scanning Update : Contents introduction detailed information Configure & Build API description Custom log formatting Welcome to g3log Use kjellkod.github.io/g3log/ for best reading / searching / navigating of g3log's documentation G3log is an asynchronous logger with three main features: 1. Intuitive LOG(...) API 2. Design by contract CHECK(...) functionality 3. Fatal crash handling for graceful shutdown of the logged process without loosing any log details up to the point of the crash. The super quick introduction to g3log can be seen in the steps 1 9 below. For more in depth information please see the full…
read the full g3log overview →
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Frequently asked questions
Is Uptime Kuma or g3log more popular?
Uptime Kuma has 93,190 GitHub stars and g3log has 966. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and g3log free?
Both are open source. Uptime Kuma is licensed under MIT and g3log under Unlicense. Neither carries a licence fee.
What is the difference between Uptime Kuma and g3log?
Uptime Kuma is written in JavaScript and g3log 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 g3log?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose g3log if its feature set, stack or Unlicense licence fits better. Both are self-hostable.