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webhookd vs Windmill: catalog facts
webhookd	Windmill
Free Free and open source.	Freemium Open-source self-hosted version is free; a hosted cloud and an enterprise edition are…
Linux, Self-hosted, Command line	Web, Self-hosted
Turns shell scripts into HTTP endpoints Single Go binary with a Docker image	Scripts become APIs, jobs and forms without boilerplate Supports TypeScript, Python, Go, Bash and 20+ other languages
You write and secure the scripts yourself No graphical interface	Aimed at teams comfortable writing code Some features are tied to the enterprise edition
Downloadable app, Self-hosted	Self-hosted, Hosted service
Open source	Open source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

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