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Windmill: Open-Source Workflow Engine That Actually Runs Fast
Turn scripts into production webhooks, workflows, and UIs without leaving your codebase. 13x faster than Airflow, and it costs nothing to self-host.
windmill-labs/windmill ↗Windmill takes the repetitive glue work—turning a Python script into an API endpoint, chaining jobs together, building an admin panel—and puts it in one place. Write your logic in Python, TypeScript, or Go. Windmill wraps it into a webhook, schedules it, logs it, versioning it, and exposes a UI. No config hell. No waiting for Temporal or Airflow to finish a job. The speed matters: builders report 13x faster execution than Airflow on comparable workflows. For solopreneurs automating internal ops or teams replacing Retool, this cuts weeks of integration work into days. Self-hosted, fully open-source, and you keep your data.
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13x faster than Airflow, self-hosted, free to run
Windmill turns scripts into production APIs, workflows, and UIs without boilerplate. One place to code, schedule, version, and monitor. Open-source, runs on your infra. If you've felt the friction of Retool or Temporal, this is the moment to try it.
Most workflow platforms make you choose: speed or flexibility. Windmill doesn't. Scripts become webhooks, UIs, and scheduled jobs in one repo. 13x faster execution than Airflow. Self-hosted. Open-source. No vendor lock-in.
Tired of stitching together Retool, Temporal, and half-baked webhook layers? Windmill consolidates the stack: write once (Python, TS, Go), deploy as API, UI, or scheduled job. Runs on your infrastructure. Fully open-source. Built for builders who move fast.
Just explored Windmill and it's the rare open-source project that actually compresses infra complexity instead of adding to it. You write a script in Python, JavaScript, Go, whatever. It becomes a webhook. Then a workflow. Then a UI. All in one platform, all queryable, all auditable. The kicker: their workflow engine runs 13x faster than Airflow on the same jobs. Not marketing speak—it's in the README and their benchmarks are repeatable. I've watched teams burn cycles gluing Retool + Temporal + cron jobs together. Windmill removes that tax entirely. Open-source, self-hostable, and built by people who actually understand why developers hate low-code platforms (no escape hatch). If you're automating ops or replacing proprietary workflow tooling, spend 30 minutes on this. GitHub: windmill-labs/windmill
Windmill is doing something I don't see enough: making open-source infra that's actually faster than the commercial thing it replaces. 13x faster than Airflow. Scripts to webhooks to full UIs in one place. Python, JS, Go, SQL all live together. If you're tired of duct-taping Retool + cron + message queues, go look at this. It's the real deal. github.com/windmill-labs/windmill