head to head · open source
huginn vs kmon
huginn has 50,269 GitHub stars, 4,339 forks, 698 open issues and last shipped yesterday. kmon has 2,969 stars, 93 forks, 23 open issues and last shipped 1 months ago. huginn leads on adoption by 1,593% (50,269 vs 2,969 stars). huginn is written in Ruby under MIT; kmon is written in Rust under GPL-3.0. huginn has attracted 9% as many forks as stars, kmon 3%. huginn 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
| huginn | kmon | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 3.0K |
| License | MIT | GPL-3.0 |
| Written in | Ruby | Rust |
| Last push | 2026-11-02 | 2026-09-21 |
| Forks | ⑂ 4.3K | ⑂ 93 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick huginn if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches Ruby
- You value the larger contributor base for long-term maintenance
pick kmon if
- You want the kmon feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Rust
- You evaluated both and kmon fits your workflow better
About huginn
What is Huginn? Huginn is a system for building agents that perform automated tasks for you online. They can read the web, watch for events, and take actions on your behalf. Huginn's Agents create and consume events, propagating them along a directed graph. Think of it as a hackable version of IFTTT or Zapier on your own server. You always know who has your data. You do. Here are some of the things that you can do with Huginn: Track the weather and get an email when it's going to rain (or snow) tomorrow ("Don't forget your umbrella!") List terms that you care about and receive email when their occurrence on…
read the full huginn overview →
About kmon
Linux Kernel Manager and Activity Monitor 🐧💻 The kernel is the part of the operating system that facilitates interactions between hardware and software components. On most systems, it is loaded on startup after the bootloader and handles I/O requests as well as peripherals like keyboards, monitors, network adapters, and speakers. Typically, the kernel is responsible for memory management , process management , device management , system calls , and security . Applications use the system call mechanism for requesting a service from the operating system and most of the time, this request is passed to the kernel…
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Frequently asked questions
Is huginn or kmon more popular?
huginn has 50,269 GitHub stars and kmon has 2,969. huginn has the larger community by that measure.
Are huginn and kmon free?
Both are open source. huginn is licensed under MIT and kmon under GPL-3.0. Neither carries a licence fee.
What is the difference between huginn and kmon?
huginn is written in Ruby and kmon in Rust. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, huginn or kmon?
Choose huginn if you want the larger community (50,269 stars) or its MIT licence terms. Choose kmon if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.