head to head · open source
huginn vs pup
huginn has 49,969 GitHub stars, 4,299 forks, 698 open issues and last shipped yesterday. pup has 1,014 stars, 120 forks, 12 open issues and last shipped yesterday. huginn leads on adoption by 4,828% (49,969 vs 1,014 stars). huginn is written in Ruby under MIT; pup is written in Rust under Apache-2.0. huginn has attracted 9% as many forks as stars, pup 12%. 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.
← all 13541 open source comparisons
Side by side
| huginn | pup | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.0K |
| License | MIT | Apache-2.0 |
| Written in | Ruby | Rust |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 4.3K | ⑂ 120 |
| 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 pup if
- You want the pup feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and pup 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 pup
Pup is an Apache 2.0 licensed, Rust written command line client from Datadog that exposes more than 200 commands across over 33 Datadog product domains, letting AI agents and the humans who supervise them query observability data from a terminal.
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 pup more popular?
huginn has 49,969 GitHub stars and pup has 1,014. huginn has the larger community by that measure.
Are huginn and pup free?
Both are open source. huginn is licensed under MIT and pup under Apache-2.0. Neither carries a licence fee.
What is the difference between huginn and pup?
huginn is written in Ruby and pup in Rust. 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 pup?
Choose huginn if you want the larger community (49,969 stars) or its MIT licence terms. Choose pup if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.