Langflow is free, with no paid plan attached. Windmill is free, with no paid plan attached. Both are listed under Workflow Automation, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.
Langflow is free, with no paid plan attached and is listed for open source with 138k GitHub stars, free desktop app and free cloud account. Windmill is free, with no paid plan attached and is listed for open-source, self-hostable with unlimited executions on the free tier. Both sit in Workflow Automation.
Neither — Langflow and Windmill are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.
Choose Langflow if you need open source with 138k GitHub stars, free desktop app and free cloud account; choose Windmill if you need open-source, self-hostable with unlimited executions on the free tier. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.
| Langflow | Windmill | |
|---|---|---|
| Pricing tier | Free | Free |
| Free to start | Yes | Yes |
| Category | AI Agents & Automation | AI Agents & Automation |
| Type | Workflow Automation | Workflow Automation |
| Listed capabilities |
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| Tags | visual rag builder, low code agent builder, langchain visual editor, open source, drag and drop ai, free | open source workflow engine, internal tools builder, scripts to apps, self hosted automation, developer workflow platform, free |
| Website | langflow.org | windmill.dev |
| Full page | Langflow details → | Windmill details → |
| Alternatives | Langflow alternatives → | Windmill alternatives → |