TOOLS
Windmill
Open-source workflow and internal-tool platform
AutomationFreemiumLLM-drafted
Part of this entry was LLM-drafted and is being polished.
Windmill combines workflow automation with internal-tool building (forms, dashboards) — like Retool meets n8n meets Pipedream. Self-hostable open source; cloud hosted version too.
Editor's verdict
Niche pick for ops engineers who want one tool to do workflow + admin UI + internal scripts. Steep learning curve compared to dedicated tools. Loved by some shops; unfamiliar to most. For one specific need, dedicated tools (n8n for workflow, Retool for internal tool) win on UX.
Use cases
- internal tools
- self-host workflow
- developer platform
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Last updated: 2026-04-29