head to head · open source
Uptime Kuma vs airframe
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. airframe has 666 stars, 67 forks, 105 open issues and last shipped 2 days ago. Uptime Kuma leads on adoption by 13,892% (93,190 vs 666 stars). Uptime Kuma is written in JavaScript under MIT; airframe is written in Scala under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, airframe 10%. 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.
← all 20902 open source comparisons
Side by side
| Uptime Kuma | airframe | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 666 |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Scala |
| Last push | 2026-11-02 | 2026-11-01 |
| Forks | ⑂ 8.7K | ⑂ 67 |
| 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 airframe if
- You want the airframe feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Scala
- You evaluated both and airframe 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 airframe
[![Gitter Chat][gitter badge]][gitter link] [![CI Status][gha badge]][gha link] [![scala index][sindex badge]][sindex link] [![maven central][central badge]][central link] [circleci badge]: [circleci link]: [gha badge]: [gha link]: [gitter badge]: [gitter link]: [coverall badge]: [coverall link]: [sindex badge]: [sindex link]: [central badge]: [central link]: Airframe is essential building blocks for developing applications in Scala, including logging, object serialization using JSON or MessagePack, dependency injection, http server/client with RPC support, functional testing with AirSpec, etc. Resources…
read the full airframe overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is Uptime Kuma or airframe more popular?
Uptime Kuma has 93,190 GitHub stars and airframe has 666. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and airframe free?
Both are open source. Uptime Kuma is licensed under MIT and airframe under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and airframe?
Uptime Kuma is written in JavaScript and airframe in Scala. 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 airframe?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose airframe if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.