head to head · open source
huginn vs Grafana Loki
huginn has 49,967 GitHub stars, 4,298 forks, 698 open issues and last shipped 2 days ago. Grafana Loki has 28,909 stars, 4,112 forks, 1,620 open issues and last shipped yesterday. huginn leads on adoption by 73% (49,967 vs 28,909 stars). huginn is written in Ruby under MIT; Grafana Loki is written in Go under AGPL-3.0. huginn has attracted 9% as many forks as stars, Grafana Loki 14%. Grafana Loki 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 | Grafana Loki | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 29K |
| License | MIT | AGPL-3.0 |
| Written in | Ruby | Go |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 4.3K | ⑂ 4.1K |
| 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 Grafana Loki if
- You want the Grafana Loki feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Go
- You evaluated both and Grafana Loki fits your workflow better
About huginn
Huginn is an open source system for building agents that perform automated tasks online, written in Ruby and released under the MIT license. Its agents read the web, watch for events, and take actions on the user's behalf. Internally, agents create and consume events that propagate along a directed graph, which means one agent's output becomes another agent's input and a chain of small steps can be composed into a larger workflow. The project lives in the Ruby ecosystem and is distributed as an official Docker image or installed locally from a forked repository.
read the full huginn overview →
About Grafana Loki
Grafana Loki is a log aggregation system designed as the log oriented counterpart to Prometheus. It operates within the cloud native observability ecosystem, specifically targeting Kubernetes and containerized environments. Loki avoids expensive full text indexing by indexing only metadata labels attached to log streams, storing the raw log content in compressed form. This design choice makes Loki significantly simpler to operate and more cost effective than traditional log systems that index every word.
read the full Grafana Loki overview →
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Frequently asked questions
Is huginn or Grafana Loki more popular?
huginn has 49,967 GitHub stars and Grafana Loki has 28,909. huginn has the larger community by that measure.
Are huginn and Grafana Loki free?
Both are open source. huginn is licensed under MIT and Grafana Loki under AGPL-3.0. Neither carries a licence fee.
What is the difference between huginn and Grafana Loki?
huginn is written in Ruby and Grafana Loki 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, huginn or Grafana Loki?
Choose huginn if you want the larger community (49,967 stars) or its MIT licence terms. Choose Grafana Loki if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.