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-based workflow automation service for creating automated flows between Microsoft 365 and third-party apps. Supports connectors, approvals, scheduled and event-triggered workflows, and robotic process automation (RPA) to automate business processes.
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
Huginn is an open-source automation platform that runs agents to monitor web data, process events, and trigger actions — self-hosted and extensible.

49.7k 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.

38.3k stars5.2k 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.

27.5k stars2.8k forksApache-2.0last commit Actively maintained
Open-source, self-hosted no-code/low-code platform to build internal tools and business applications with a data-model approach, workflows, permissions, and a plugin system.
23.5k stars2.8k 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.

23.5k stars3.9k 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.

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
Open-source event-driven automation platform for DevOps and SRE, with rules, workflows, ChatOps, and hundreds of integration packs for auto-remediation and incident response.
6.5k stars785 forksApache-2.0last commit Actively maintained
UpSnap is a simple Wake-on-LAN web app with a device dashboard, scheduling via cron, port checks, and optional network discovery for managing machines on a LAN.

5.9k stars232 forksMITlast commit Actively maintained
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.

3.7k stars124 forksAGPL-3.0last commit Actively maintained
Self-hosted smart home hub that unifies device control, automation, and floorplan visualization while preserving privacy.

2.6k stars331 forksMPL-2.0last commit Actively maintained
Open-source form and data management platform with a drag-and-drop builder, embeddable form renderer, and REST API for submissions, resources, and workflows.

2.3k stars768 forksOSL-3.0last commit Actively maintained
Corteza is an open-source low-code platform to build CRM-style apps, structured data systems, and automated business workflows with a strong API-first design.

2.1k stars506 forksApache-2.0last commit Actively maintained
OpenRemote is a 100% open-source IoT platform for device management, data dashboards, and automation with rules, APIs, and multi-tenant user management.

1.8k stars450 forkslast 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 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
Automates purchase order ingestion, validation, and ERP posting for distributors, manufacturers and wholesalers using AI-driven item matching and configurable workflows.

1k stars200 forksAGPL-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. 18 of 20 shipped a commit in the last six months. Licences in this list: MIT, AGPL-3.0, Apache-2.0, MPL-2.0, OSL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Automation & Workflow Builders (Low-code).