head to head · open source
huginn vs micrometer
huginn has 50,269 GitHub stars, 4,339 forks, 698 open issues and last shipped yesterday. micrometer has 4,909 stars, 1,154 forks, 309 open issues and last shipped 4 days ago. huginn leads on adoption by 924% (50,269 vs 4,909 stars). huginn is written in Ruby under MIT; micrometer is written in Java under Apache-2.0. huginn has attracted 9% as many forks as stars, micrometer 24%. 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 | micrometer | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 4.9K |
| License | MIT | Apache-2.0 |
| Written in | Ruby | Java |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 4.3K | ⑂ 1.2K |
| 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 micrometer if
- You want the micrometer feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and micrometer 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 micrometer
Micrometer Application Metrics An application metrics facade for the most popular monitoring tools. Instrument your code with dimensional metrics with a vendor neutral interface and decide on the monitoring backend at the last minute. More info on micrometer.io. Micrometer artifacts work with Java 8 or later with a few exceptions such as the micrometer java11 module and micrometer jetty11. Supported versions See Micrometer's support policy. Join the discussion Join the Micrometer Slack to share your questions, concerns, and feature requests. Snapshot builds Snapshots are published to repo.spring.io for every…
read the full micrometer overview →
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Frequently asked questions
Is huginn or micrometer more popular?
huginn has 50,269 GitHub stars and micrometer has 4,909. huginn has the larger community by that measure.
Are huginn and micrometer free?
Both are open source. huginn is licensed under MIT and micrometer under Apache-2.0. Neither carries a licence fee.
What is the difference between huginn and micrometer?
huginn is written in Ruby and micrometer in Java. 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 micrometer?
Choose huginn if you want the larger community (50,269 stars) or its MIT licence terms. Choose micrometer if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.