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Errbot vs huginn: catalog facts
Errbot	huginn
Free Errbot is free software under GPL-3.0.	Free The open-source application is available without a license fee.
Self-hosted, Command line	Self-hosted, Web
Connects chat services through multiple backends Supports custom commands and workflow plugins	Event-driven workflows on your own server
Requires a configured chat service backend	Requires maintaining a server and configuring the agents.
Downloadable app, Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: MIT
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.