head to head · open source
Uptime Kuma vs cilium
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. cilium has 25,759 stars, 4,207 forks, 1,085 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 262% (93,190 vs 25,759 stars). Uptime Kuma is written in JavaScript under MIT; cilium is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, cilium 16%. cilium was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), so they are genuine substitutes rather than adjacent tools.
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 | cilium | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 26K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 4.2K |
| 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 cilium if
- You want the cilium feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and cilium 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 cilium
.. raw:: html Cilium is a networking, observability, and security solution with an eBPF based dataplane. It provides a simple flat Layer 3 network with the ability to span multiple clusters in either a native routing or overlay mode. It is L7 protocol aware and can enforce network policies on L3 L7 using an identity based security model that is decoupled from network addressing. Cilium implements distributed load balancing for traffic between pods and to external services, and is able to fully replace kube proxy, using efficient hash tables in eBPF, allowing for almost unlimited scale. It also supports advanced…
read the full cilium overview →
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Frequently asked questions
Is Uptime Kuma or cilium more popular?
Uptime Kuma has 93,190 GitHub stars and cilium has 25,759. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and cilium free?
Both are open source. Uptime Kuma is licensed under MIT and cilium under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and cilium?
Uptime Kuma is written in JavaScript and cilium in Go. 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 cilium?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose cilium if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.