# Best free Windmill alternatives

9 free alternatives to Windmill and 0 more. Windmill is free.

## Alternatives

- [Langflow](https://aitools.flocci.in/tool/langflow) — Free — Open source with 138k GitHub stars, free desktop app and free cloud account
- [Google Opal](https://aitools.flocci.in/tool/google-opal) — Free — Describe an app in plain language and Opal builds a shareable multi-step AI workflow
- [Flowise](https://aitools.flocci.in/tool/flowise) — Free — Drag-and-drop builder for chatbots, agents and RAG flows
- [Sim](https://aitools.flocci.in/tool/sim) — Free — Visual canvas for building, deploying and monitoring AI agents and workflows
- [LangBot](https://aitools.flocci.in/tool/langbot) — Free — Builds AI bots for WeChat, QQ, Discord, Slack, Telegram and other chat platforms
- [Zapier](https://aitools.flocci.in/tool/zapier) — Freemium — Connect 8,000+ apps with AI agents
- [n8n](https://aitools.flocci.in/tool/n8n) — Freemium — Open-source, self-hostable automation
- [Make](https://aitools.flocci.in/tool/make) — Freemium — Visual drag-and-drop automation
- [Gumloop](https://aitools.flocci.in/tool/gumloop) — Freemium — No-code canvas for AI workflows

## FAQ

### What is the best free alternative to Windmill?

Langflow is the closest free alternative to Windmill: same Workflow Automation sub-category, and it is free. Open source with 138k GitHub stars, free desktop app and free cloud account

### Are there free Windmill alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Langflow, Google Opal, Flowise, Sim, LangBot. None of them are paid-only.

### Is Windmill free?

Windmill is free. There is no paid plan attached to it in the catalog.

### How were these Windmill alternatives chosen?

They are the other tools in Workflow Automation, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

## Related

- [Windmill](https://aitools.flocci.in/tool/windmill)
- [Workflow Automation](https://aitools.flocci.in/category/ai-agents-automation/workflow-automation)
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Source: Flocci AI Tools — https://aitools.flocci.in/alternatives/windmill

Facts last verified: October 2026