Windmill

Active

Country: France (FR)
Founded: 2022
Developer: Windmill Labs
Pricing: Freemium (Cloud free tier, self-hosted open source, paid Enterprise)
Open source: Yes
Platforms: Web, Self-hosted (Linux, Docker)

Indexes

Automation

Overview

Windmill is an open-source developer platform for building internal tools, turning scripts into webhooks, workflows, UIs, and apps. It supports scripting in Python, TypeScript, Go, Bash, SQL, and GraphQL, with low-code and full-code app building capabilities for automation and workflows.⁵³⁶

Key Features

Scripting Support - Supports Python, TypeScript, Go, Bash, SQL, and GraphQL scripts turned into UIs and workflows.
Workflow Engine - Fastest workflow engine, 13x faster than Airflow, for composing scripts into flows.
Low-code Apps - Build custom UIs for scripts and flows, with public app sharing and custom URLs.
Roles and Permissions - Granular access control with roles like User, Admin, Operator at instance, workspace, and folder levels.
Self-hosting - Fully self-hostable via Docker for on-premises deployment.
Auto-generated UIs - Scripts automatically generate shareable UIs for internal apps.
Resources and Schedules - Manage resources, schedules, and permissions within folders and workspaces.

Pricing

Plan	Price	Includes
Cloud Free	Free	Limited usage for cloud-hosted instance with basic features.
Cloud Pro	Paid (usage-based)	Higher limits, custom paths for public apps, advanced support.
Enterprise	Contact sales	Advanced billing for active users, operators at half seat, full permissions management.
Self-hosted	Free (open source)	Unlimited self-hosted deployment with all core features.

Platforms & Requirements

Windmill runs as a web application accessible via browser, with self-hosting via Docker on Linux servers. Optimized for desktop use; mobile access limited. No native desktop or mobile apps; requires Docker for self-hosting with no specified minimum hardware beyond standard server capabilities.⁵²

Integrations & Ecosystem

GitHub
Jira
Linear
Slack (via similar tools)
Productivity tools (hourly sync)
CRM systems
Microsoft auth
Google auth

Alternatives

App	Difference
Retool	Windmill is fully open-source and self-hostable; Retool focuses more on low-code UIs without built-in workflow engine.
Pipedream	Windmill emphasizes developer scripting and autogenerated UIs; Pipedream is serverless workflow-focused.
n8n	Windmill supports multiple languages with UI generation; n8n is node-based open-source automation.
Airflow	Windmill is 13x faster workflow engine with UIs; Airflow is orchestration-focused without built-in apps.
Temporal	Windmill simplifies with autogenerated UIs; Temporal is durable execution platform.

Reputation

Windmill is recognized as a fast, open-source alternative for internal tools and workflows, praised for its speed and multi-language support.⁵ Users appreciate self-hosting and developer-friendly features, though documentation focuses on technical setup.⁶ Limited public reviews available; positioned against established tools without widespread user feedback noted.

Sources (9)