Windmill is listed under Workflow Automation, in the AI Agents & Automation category on Flocci AI Tools. Open-source, self-hostable with unlimited executions on the free tier. It is free, with no paid plan attached, and it lives at windmill.dev.
Windmill is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 115 entries on Flocci AI Tools with no upgrade path built in.
Windmill does 3 things the catalog singles out: Open-source, self-hostable with unlimited executions on the free tier; turns scripts (python/ts/go/bash/sql) into flows and full internal apps; kubernetes/docker/fargate deployable with a hybrid seat+compute enterprise pricing model.
Langflow is the closest free alternative: it sits in the same Workflow Automation sub-category and is free. Activepieces, Botpress and Chatbase also start free. The full list is on the alternatives page.
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