head to head · open source
Uptime Kuma vs karma
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. karma has 2,693 stars, 206 forks, 39 open issues and last shipped 4 days ago. Uptime Kuma leads on adoption by 3,360% (93,190 vs 2,693 stars). Uptime Kuma is written in JavaScript under MIT; karma is written in TypeScript under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, karma 8%. 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 | karma | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.7K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 8.7K | ⑂ 206 |
| 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 karma if
- You want the karma feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and karma 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 karma
karma Alert dashboard for Prometheus Alertmanager. Alertmanager =0.22.0 is required. See GitHub Releases for release changelog. Feature overview Alertmanager UI is useful for browsing alerts and managing silences, but it's lacking as a dashboard tool karma aims to fill this gap. Alert aggregation and deduplication Starting with the 0.7.0 release it can aggregate alerts from multiple Alertmanager instances, running either in HA mode or separate. Unique alerts are displayed by filtering duplicates. Each alert is tagged with the names of all Alertmanager instances it was found at and can be filtered based on those…
read the full karma overview →
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Frequently asked questions
Is Uptime Kuma or karma more popular?
Uptime Kuma has 93,190 GitHub stars and karma has 2,693. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and karma free?
Both are open source. Uptime Kuma is licensed under MIT and karma under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and karma?
Uptime Kuma is written in JavaScript and karma in TypeScript. 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 karma?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose karma if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.