head to head · open source
Uptime Kuma vs phantomas
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. phantomas has 2,263 stars, 133 forks, 65 open issues and last shipped 8 days ago. Uptime Kuma leads on adoption by 4,018% (93,190 vs 2,263 stars). Uptime Kuma is written in JavaScript under MIT; phantomas is written in JavaScript under BSD-2-Clause. Uptime Kuma has attracted 9% as many forks as stars, phantomas 6%. 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 | phantomas | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 2.3K |
| License | MIT | BSD-2-Clause |
| Written in | JavaScript | JavaScript |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 8.7K | ⑂ 133 |
| 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 phantomas if
- You want the phantomas feature set and don't need the biggest community
- You prefer the BSD-2-Clause license terms
- Your stack matches JavaScript
- You evaluated both and phantomas 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 phantomas
phantomas ========= Headless Chromium based modular web performance metrics collector. And why phantomas? Well, because :) Requirements NodeJS 16+ Installation Via npm This will install a recent version of Chromium supported by puppeteer module. Via Docker You can use phantomas Docker image: Or you can fetch from GitHub's Containers registry Support You can get support for phantomas via xs:code. Usage example Or run ./examples/index.js . Development version To get the latest development version of phantomas (and install all required dependencies): Running tests First you need to start a local nginx container…
read the full phantomas overview →
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Frequently asked questions
Is Uptime Kuma or phantomas more popular?
Uptime Kuma has 93,190 GitHub stars and phantomas has 2,263. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and phantomas free?
Both are open source. Uptime Kuma is licensed under MIT and phantomas under BSD-2-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and phantomas?
Uptime Kuma is written in JavaScript and phantomas in JavaScript. 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 phantomas?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose phantomas if its feature set, stack or BSD-2-Clause licence fits better. Both are self-hostable.