head to head · open source
huginn vs karma
huginn has 50,269 GitHub stars, 4,339 forks, 698 open issues and last shipped yesterday. karma has 2,693 stars, 206 forks, 39 open issues and last shipped 4 days ago. huginn leads on adoption by 1,767% (50,269 vs 2,693 stars). huginn is written in Ruby under MIT; karma is written in TypeScript under Apache-2.0. huginn has attracted 9% as many forks as stars, karma 8%. 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 | karma | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 2.7K |
| License | MIT | Apache-2.0 |
| Written in | Ruby | TypeScript |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 4.3K | ⑂ 206 |
| 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 karma if
- You want the karma feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and karma 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 karma
karma Alert dashboard for Prometheus Alertmanager. Alertmanager =0.22.0 is required. See GitHub Releases for release changelog. Feature overview Alertmanager UI is useful for browsing alerts and managing silences, but it's lacking as a dashboard tool karma aims to fill this gap. Alert aggregation and deduplication Starting with the 0.7.0 release it can aggregate alerts from multiple Alertmanager instances, running either in HA mode or separate. Unique alerts are displayed by filtering duplicates. Each alert is tagged with the names of all Alertmanager instances it was found at and can be filtered based on those…
read the full karma overview →
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Frequently asked questions
Is huginn or karma more popular?
huginn has 50,269 GitHub stars and karma has 2,693. huginn has the larger community by that measure.
Are huginn and karma free?
Both are open source. huginn is licensed under MIT and karma under Apache-2.0. Neither carries a licence fee.
What is the difference between huginn and karma?
huginn is written in Ruby and karma in TypeScript. 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 karma?
Choose huginn if you want the larger community (50,269 stars) or its MIT licence terms. Choose karma if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.