head to head · open source
huginn vs Sentry
huginn has 49,967 GitHub stars, 4,298 forks, 698 open issues and last shipped 2 days ago. Sentry has 44,792 stars, 4,854 forks, 2,265 open issues and last shipped yesterday. huginn leads on adoption by 12% (49,967 vs 44,792 stars). huginn is written in Ruby under MIT; Sentry is written in Python under a custom or non-standard licence. huginn has attracted 9% as many forks as stars, Sentry 11%. Sentry 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.
← all 8884 open source comparisons
Side by side
| huginn | Sentry | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 45K |
| License | MIT | Custom / other |
| Written in | Ruby | Python |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 4.3K | ⑂ 4.9K |
| 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 Sentry if
- You want the Sentry feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Python
- You evaluated both and Sentry 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 Sentry
Sentry is an open source debugging platform for detecting, tracing, and fixing software issues in real time. It lives in the developer infrastructure ecosystem and provides error tracking and performance monitoring across languages, frameworks, and runtime environments.
read the full Sentry overview →
More in Infrastructure & Operations
Related comparisons
More Monitoring & Observability projects
Compare either of these against the rest of the Monitoring & Observability field.
Frequently asked questions
Is huginn or Sentry more popular?
huginn has 49,967 GitHub stars and Sentry has 44,792. huginn has the larger community by that measure.
Are huginn and Sentry free?
Both are open source. huginn is licensed under MIT, and Sentry has no licence declared in this registry. Both are free to self-host.
What is the difference between huginn and Sentry?
huginn is written in Ruby and Sentry in Python. 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 Sentry?
Choose huginn if you want the larger community (49,967 stars) or its MIT licence terms. Choose Sentry if its feature set, stack or Custom / other licence fits better. Both are self-hostable.