head to head · open source
Uptime Kuma vs hubble
Uptime Kuma has 91,477 GitHub stars, 8,426 forks, 805 open issues and last shipped yesterday. hubble has 4,332 stars, 300 forks, 44 open issues and last shipped 3 days ago. Uptime Kuma leads on adoption by 2,012% (91,477 vs 4,332 stars). Uptime Kuma is written in JavaScript under MIT; hubble is written in Makefile under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, hubble 7%. 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 | hubble | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 4.3K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Makefile |
| Last push | 2026-09-17 | 2026-09-15 |
| Forks | ⑂ 8.4K | ⑂ 300 |
| 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 hubble if
- You want the hubble feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Makefile
- You evaluated both and hubble 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 hubble
Hubble is fully distributed networking and security observability platform for cloud native workloads. It lives in Kubernetes ecosystem, built on Cilium and eBPF. It gives transparent visibility into service communication, service behavior, and networking infrastructure.
read the full hubble overview →
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Frequently asked questions
Is Uptime Kuma or hubble more popular?
Uptime Kuma has 91,477 GitHub stars and hubble has 4,332. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and hubble free?
Both are open source. Uptime Kuma is licensed under MIT and hubble under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and hubble?
Uptime Kuma is written in JavaScript and hubble in Makefile. 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 hubble?
Choose Uptime Kuma if you want the larger community (91,477 stars) or its MIT licence terms. Choose hubble if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.