head to head · open source
Uptime Kuma vs jupiter
Uptime Kuma has 91,498 GitHub stars, 8,431 forks, 805 open issues and last shipped today. jupiter has 4,566 stars, 708 forks, 16 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 1,904% (91,498 vs 4,566 stars). Uptime Kuma is written in JavaScript under MIT; jupiter is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, jupiter 16%. 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 | jupiter | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 4.6K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-18 | 2026-09-17 |
| Forks | ⑂ 8.4K | ⑂ 708 |
| 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 jupiter if
- You want the jupiter 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 jupiter 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 jupiter
Jupiter is an Apache 2.0 governance oriented microservice framework written in Go that is used in production at Douyu, aimed at Go teams that want configuration, service discovery, metrics, tracing and RPC handled by the framework instead of by glue code in every service.
read the full jupiter overview →
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Frequently asked questions
Is Uptime Kuma or jupiter more popular?
Uptime Kuma has 91,498 GitHub stars and jupiter has 4,566. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and jupiter free?
Both are open source. Uptime Kuma is licensed under MIT and jupiter under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and jupiter?
Uptime Kuma is written in JavaScript and jupiter 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 jupiter?
Choose Uptime Kuma if you want the larger community (91,498 stars) or its MIT licence terms. Choose jupiter if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.