head to head · open source
Uptime Kuma vs quill
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. quill has 3,031 stars, 274 forks, 8 open issues and last shipped 5 days ago. Uptime Kuma leads on adoption by 2,919% (91,498 vs 3,031 stars). Uptime Kuma is written in JavaScript under MIT; quill is written in C++ under MIT. Uptime Kuma has attracted 9% as many forks as stars, quill 9%. 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 | quill | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 3.0K |
| License | MIT | MIT |
| Written in | JavaScript | C++ |
| Last push | 2026-09-18 | 2026-09-13 |
| Forks | ⑂ 8.4K | ⑂ 274 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Uptime Kuma if
- You weight community size — 91K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick quill if
- You want the quill feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and quill fits your workflow better
About Uptime Kuma
Uptime Kuma is a free, MIT licensed, self hosted monitoring tool with a reactive web dashboard, built for operators and teams that want to watch their own HTTP, TCP, and DNS endpoints and keep the resulting data on their own infrastructure.
read the full Uptime Kuma overview →
About quill
Quill Ultra Low Latency Asynchronous C++17 Logging and Metrics Library 🔬 Try It Online · 🚀 Benchmarks · 📚 Documentation · ⚡ Recipes · ❓ FAQ 🐛 Report Bug · 💡 Request Feature 🧭 Table of Contents Introduction Quick Start Features Performance Usage Design Caveats License ✨ Introduction Quill is an asynchronous logging and metrics library for C++17 and later . It keeps formatting and I/O away from latency sensitive application threads by encoding log arguments on the frontend and processing them on a dedicated backend worker. Low Frontend Latency : Log arguments are encoded and queued for asynchronous processing…
read the full quill overview →
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Frequently asked questions
Is Uptime Kuma or quill more popular?
Uptime Kuma has 91,498 GitHub stars and quill has 3,031. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and quill free?
Both are open source. Uptime Kuma is licensed under MIT and quill under MIT. Neither carries a licence fee.
What is the difference between Uptime Kuma and quill?
Uptime Kuma is written in JavaScript and quill 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 quill?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose quill if its feature set, stack or MIT licence fits better. Both are self-hostable.