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
Windmill — straight answers
What is Windmill?
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.
Is Windmill free?
Windmill is listed as fully free — there is no paid tier attached to it in the catalog. That makes it one of the 396 entries on Flocci AI Tools with no upgrade path built in.
Can I use Windmill in a browser, or is there an app?
Windmill works in a normal browser tab with no install. It is available on the web, self-hosting and the command line.
What can Windmill do?
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.
What is the best free alternative to Windmill?
Flowise is the closest free alternative: it sits in the same Workflow Automation sub-category and is free. Google Opal, LangBot and Langflow also start free. The full list is on the alternatives page.