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

202.5k stars60.4k forkslast commit Actively maintained

Cloud integration and event-driven automation platform for developers to build workflows, connect APIs and SaaS apps, trigger on events or webhooks, and run serverless code (Node.js, Python) for integrations and background tasks.
Self-hostable workflow automation platform combining a visual builder with JavaScript/Python code steps, 400+ integrations, and AI-assisted automation.

202.5k stars60.4k 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
ToolJet is an open-source low-code platform to build and deploy internal tools, dashboards, and workflows with integrations for databases, APIs, and SaaS apps.

40.8k stars5.4k forksAGPL-3.0last commit Actively maintained
Budibase is an open-source low-code platform to build internal tools, portals, forms, and approval workflows with integrations to databases and APIs.

28.2k stars2.2k forkslast commit Actively maintained
Declarative, API-first orchestration platform for scheduled and event-driven workflows with a plugin ecosystem, UI editor, CI/CD and Terraform integration.

27.9k stars2.9k forksApache-2.0last 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.

24.1k stars4.1k forkslast 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
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.

17.7k 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
Self-hosted web UI that exposes YAML-defined shell commands as buttons, dashboards and API endpoints with ACLs, auth and logging for safe, repeatable server operations.

3.8k stars136 forksAGPL-3.0last commit Actively maintained
µTask is a lightweight automation engine for cloud workflows modeled in YAML, backed by PostgreSQL, with extensible Go-based actions.
1.4k stars104 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 Slowing down
Industrial low-code platform that extends Node-RED with an LLM-powered copilot, collaborative flow development, remote edge deployment, CI/CD and AI-assisted data transformation.
395 stars89 forkslast 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
Single-binary platform that turns Bash/Lua scripts into HTTP endpoints, webhooks, cron jobs and visual pages with built-in auth, OAuth and credential management.

18 stars0 forksApache-2.0last commit Actively maintained
On-premises IT task scheduler to centralize, schedule, and run scripts and commands across servers via SSH/WinRM, with workflows, logs, notifications, and an API.

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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. 12 of 16 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0, Apache-2.0, BSD-3-Clause, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Automation & Workflow Builders (Low-code).