head to head · open source
huginn vs semantic_logger
huginn has 50,269 GitHub stars, 4,339 forks, 698 open issues and last shipped yesterday. semantic_logger has 956 stars, 140 forks, 0 open issues and last shipped 4 days ago. huginn leads on adoption by 5,158% (50,269 vs 956 stars). huginn is written in Ruby under MIT; semantic_logger is written in Ruby under Apache-2.0. huginn has attracted 9% as many forks as stars, semantic_logger 15%. huginn 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
| huginn | semantic_logger | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 956 |
| License | MIT | Apache-2.0 |
| Written in | Ruby | Ruby |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 4.3K | ⑂ 140 |
| 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 semantic_logger if
- You want the semantic_logger feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Ruby
- You evaluated both and semantic_logger 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 semantic_logger
Semantic Logger Semantic Logger is a high performance, asynchronous structured logging framework for Ruby and Rails. It differs from ordinary loggers in two important ways: 1. It logs structured data, not just strings. Along with the text message, each log entry can carry a payload (any Hash), an exception, a duration, metrics, and tags. That data is preserved all the way to the destination, so it stays searchable instead of being flattened into text. 2. It logs asynchronously. Log events are pushed onto an in memory queue and written to their destinations by a separate background thread, so your application is…
read the full semantic_logger overview →
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Frequently asked questions
Is huginn or semantic_logger more popular?
huginn has 50,269 GitHub stars and semantic_logger has 956. huginn has the larger community by that measure.
Are huginn and semantic_logger free?
Both are open source. huginn is licensed under MIT and semantic_logger under Apache-2.0. Neither carries a licence fee.
What is the difference between huginn and semantic_logger?
huginn is written in Ruby and semantic_logger in Ruby. 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 semantic_logger?
Choose huginn if you want the larger community (50,269 stars) or its MIT licence terms. Choose semantic_logger if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.