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Kestra vs StackStorm: catalog facts
Kestra	StackStorm
Freemium The open-source edition is free; cloud and enterprise options are sold separately.	Free Free and open source.
Web, Self-hosted	Self-hosted
Declarative workflows that are easy to review and version More than 2,000 plugins	Event-driven rules as well as multi-step workflows Integrates with existing tools and processes
Built for teams, heavier than a simple scheduler Some features are aimed at enterprise plans	A server platform that takes work to deploy and maintain Aimed at operations teams rather than individual users
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License not stated	License not stated
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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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