head to head · open source
Uptime Kuma vs loongcollector
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. loongcollector has 2,213 stars, 456 forks, 166 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 4,111% (93,190 vs 2,213 stars). Uptime Kuma is written in JavaScript under MIT; loongcollector is written in C++ under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, loongcollector 21%. 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 | loongcollector | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.2K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | C++ |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 456 |
| 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 loongcollector if
- You want the loongcollector feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C++
- You evaluated both and loongcollector 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 loongcollector
LoongCollector High Performance Observability Data Collector Fast, Lightweight, and Battle Tested Observability Agent Quick Start • Documentation • Performance Benchmarks • Contributing Why LoongCollector? LoongCollector is a high performance, lightweight observability data collector designed for modern cloud native environments. Born from Alibaba's 15 year journey handling exponential traffic growth and powering tens of millions of deployments, LoongCollector delivers 10x higher throughput with 80% lower resource usage compared to open source alternatives. LoongCollector is a key component of…
read the full loongcollector overview →
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Frequently asked questions
Is Uptime Kuma or loongcollector more popular?
Uptime Kuma has 93,190 GitHub stars and loongcollector has 2,213. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and loongcollector free?
Both are open source. Uptime Kuma is licensed under MIT and loongcollector under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and loongcollector?
Uptime Kuma is written in JavaScript and loongcollector 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 loongcollector?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose loongcollector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.