head to head · open source
Uptime Kuma vs javamelody
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. javamelody has 3,045 stars, 751 forks, 42 open issues and last shipped 24 days ago. Uptime Kuma leads on adoption by 2,960% (93,190 vs 3,045 stars). Uptime Kuma is written in JavaScript under MIT; javamelody is written in Java under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, javamelody 25%. Uptime Kuma 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 | javamelody | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 3.0K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Java |
| Last push | 2026-11-02 | 2026-10-10 |
| Forks | ⑂ 8.7K | ⑂ 751 |
| 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 javamelody if
- You want the javamelody feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and javamelody 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 javamelody
JavaMelody ========================= The goal of JavaMelody is to monitor Java or Java EE applications in QA and production environments. See the Project Home, Screenshots, User's guide and Release notes in the wiki, or see downloads in Releases, Issues and Pull requests. License Apache 2.0
read the full javamelody overview →
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Frequently asked questions
Is Uptime Kuma or javamelody more popular?
Uptime Kuma has 93,190 GitHub stars and javamelody has 3,045. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and javamelody free?
Both are open source. Uptime Kuma is licensed under MIT and javamelody under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and javamelody?
Uptime Kuma is written in JavaScript and javamelody in Java. 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 javamelody?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose javamelody if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.