head to head · open source
Uptime Kuma vs file.d
Uptime Kuma has 93,190 GitHub stars, 8,655 forks, 805 open issues and last shipped yesterday. file.d has 507 stars, 267 forks, 73 open issues and last shipped yesterday. Uptime Kuma leads on adoption by 18,281% (93,190 vs 507 stars). Uptime Kuma is written in JavaScript under MIT; file.d is written in Go under BSD-3-Clause. Uptime Kuma has attracted 9% as many forks as stars, file.d 53%. 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 | file.d | |
|---|---|---|
| GitHub stars | ★ 93K | ★ 507 |
| License | MIT | BSD-3-Clause |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 8.7K | ⑂ 267 |
| 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 file.d if
- You want the file.d feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches Go
- You evaluated both and file.d 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 file.d
Overview file.d is a blazing fast tool for building data pipelines: read, process, and output events. Primarily developed to read from files, but also supports numerous input/action/output plugins. ⚠ Although we use it in production, it still isn't v1.0.0 . Please, test your pipelines carefully on dev/stage environments. Contributing file.d is an open source project and contributions are very welcome! Please make sure to read our contributing guide before creating an issue and opening a PR! Motivation Well, we already have several similar tools: vector, filebeat, logstash, fluend d, fluent bit, etc. Performance…
read the full file.d overview →
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Frequently asked questions
Is Uptime Kuma or file.d more popular?
Uptime Kuma has 93,190 GitHub stars and file.d has 507. Uptime Kuma has the larger community by that measure.
Are Uptime Kuma and file.d free?
Both are open source. Uptime Kuma is licensed under MIT and file.d under BSD-3-Clause. Neither carries a licence fee.
What is the difference between Uptime Kuma and file.d?
Uptime Kuma is written in JavaScript and file.d 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 file.d?
Choose Uptime Kuma if you want the larger community (93,190 stars) or its MIT licence terms. Choose file.d if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.