Open source workflow-engine projects
Every project in the registry tagged workflow-engine, ranked by real GitHub adoption.
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
Lightweight workflow engine for .NET Standard
Effortless event-driven workflows for modern applications
Reusable workflow library for Django
Workflow SDK: Build durable, reliable, and observable apps and AI Agents in TypeScript
A Intelligent and Visual Process Automation System, ticket, workflow, MCP
Database-Backed Durable Python Workflows
Database-Backed Durable TypeScript Workflows
Open-source TypeScript framework for building durable, resumable workflows. Supports Node.js and Bun.
Tork is a lightweight, distributed workflow engine that runs tasks as simple scripts within Docker containers.
Related tags
Frequently asked questions
How many open source workflow-engine projects are there?
This registry tracks 12 projects tagged workflow-engine, with 89,465 GitHub stars between them. The most-adopted is conductor at 32,207 stars.
Are these workflow-engine projects free to use?
Yes — 11 of the 12 carry an explicit open-source licence across 3 distinct licences, so there is no licence fee. Where a project also sells a hosted or enterprise version, the self-hosted path remains free.
Which workflow-engine project should I choose?
The list above is ranked by GitHub stars, but stars measure attention rather than fit. Check three things on each card: the licence (permissive versus copyleft), the language it is written in, and the last-push date — a high-star project that has not been pushed in a year is a liability.
Are these workflow-engine projects still maintained?
11 of the 12 were pushed in the last 90 days, and every card shows its exact last-push date so you can see the rest. Sort your shortlist by that date before committing to a migration.