head to head · open source
Uptime Kuma vs openGemini
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. openGemini has 1,178 stars, 176 forks, 117 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 7,811% (93,190 vs 1,178 stars). Uptime Kuma is written in JavaScript under MIT; openGemini is written in Go under Apache-2.0. Uptime Kuma has attracted 9% as many forks as stars, openGemini 15%. 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 | openGemini | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 1.2K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 176 |
| 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 openGemini if
- You want the openGemini 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 openGemini 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 openGemini
README English 简体中文 Official Website Docs Contribution Guide RoadMap Performance About openGemini openGemini is a cloud native distributed time series database, focusing on the storage and analysis of massive telemetry data. If you have used openGemini, please let us know and click submit Usage Information openGemini is an sandbox project of the Cloud Native Computing Foundation (CNCF). Please consider joining the CNCF if you are an organization that wants to take an active role in supporting the growth and evolution of the cloud native ecosystem. Why openGemini Compared with other time series database…
read the full openGemini overview →
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Frequently asked questions
Is Uptime Kuma or openGemini more popular?
Uptime Kuma has 93,190 GitHub stars and openGemini has 1,178. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and openGemini free?
Both are open source. Uptime Kuma is licensed under MIT and openGemini under Apache-2.0. Neither carries a licence fee.
What is the difference between Uptime Kuma and openGemini?
Uptime Kuma is written in JavaScript and openGemini 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 openGemini?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose openGemini if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.