Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

198.3k stars59.7k forkslast commit Actively maintained
Cloud-hosted visual automation builder to create and run workflows connecting apps and APIs via triggers, actions, conditional logic and JavaScript. Includes webhook and HTTP triggers, retries, versioning, templates and branding controls.
Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

198.3k stars59.7k forkslast commit Actively maintained
Open-source automation builder for creating workflows with webhooks, HTTP steps, code actions, and an extensible TypeScript-based integration framework with AI features.

23.4k stars4k forkslast commit Actively maintained
Windmill is an open-source developer platform to turn scripts into webhooks, cron jobs, workflows, and internal apps with auto-generated and low-code UIs.

17.3k stars1.1k forkslast commit Actively maintained
Automatisch is an open-source Zapier alternative for building no-code automations that connect apps and services while keeping data on your own infrastructure.

13.9k stars1.1k forkslast commit Slowing down
µTask is a lightweight automation engine for cloud workflows modeled in YAML, backed by PostgreSQL, with extensible Go-based actions.
1.4k stars100 forksBSD-3-Clauselast commit Actively maintained
Developer-first platform for durable workflow automation and orchestration, with code-based workflows, triggers, integrations, and API-first execution.

1.1k stars46 forksApache-2.0last commit Actively maintained
Rust-based service that monitors GitHub and Docker Hub releases and forwards notifications to ntfy, Gotify, Discord, and Slack. Works as a Docker container or CLI.
62 stars1 forksGPL-3.0last commit Slowing down
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 5 of 7 shipped a commit in the last six months. Licences in this list: BSD-3-Clause, Apache-2.0, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Automation & Workflow Builders (Low-code).