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

203.3k stars60.5k forkslast commit Actively maintained
Paragon is an embedded integration platform that enables SaaS teams to build, manage, and ship customer-facing integrations and automation using prebuilt connectors, authentication flows, UI components, and sync/trigger actions.
Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

203.3k stars60.5k forkslast commit Actively maintained
Huginn is an open-source automation platform that runs agents to monitor web data, process events, and trigger actions — self-hosted and extensible.

49.9k stars4.3k forksMITlast commit Actively maintained
Open-source, browser-based low-code platform and Node.js runtime for wiring devices, APIs and services into event-driven flows for automation, IoT and integrations.

23.6k stars3.9k forksApache-2.0last 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.

14k stars1.1k forkslast commit Slowing down
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 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. 3 of 5 shipped a commit in the last six months. Licences in this list: MIT, Apache-2.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Automation & Workflow Builders (Low-code).