Workflow Engine GitHub Repositories (2026) · Open Source Tools

The open-source TypeScript framework for building AI workflows and agents. Designed for Claude Code describe what you want, Claude builds it, with all the best practices already in place.

Core package for defining and running durable workflows and activities. Supports long-running persistent workflows, retries, queues, parallel execution, workflow monitoring, dedicated storage connections, and orchestration for microservices, data pipelines, sagas, agentic workflows, and other complex business processes.

Maestro: Netflix’s Workflow Orchestrator

Declarative AI pipelines in one YAML file. Tokens, audio chunks, and video frames flow between isolated components. Compose 100+ components for models, agents, speech, vision, and live broadcast. Run local models, cloud APIs, or both. Inspired by docker-compose.

Database-Backed Durable Golang Workflows

Durable & Deterministic Workflow Engine

Parallel programming with Python

Temporal PHP SDK

Command-line interface for running Temporal Server and interacting with Workflows, Activities, Namespaces, and other parts of Temporal

Cylc: a general purpose workflow engine with a gift for cycling

Workflow Automation Engine

Temporal Go SDK

Build for agents — from the AI Gateway to the entire application stack.

A bioinformatics workflow engine built on top of the Workflow Description Language (WDL).

Operator UI for Durable Workflow runtime health, history, queues, retries, and repair.

JarvisCore is a runtime where AI agents operate as a fleet of equal peers. Agents discover one another by capability, execute tasks from a shared ledger, and authenticate to every external service through a zero-trust broker, never with their own keys.

The Frank!Framework is an easy-to-use, stateless integration framework which allows (transactional) messages to be modified and exchanged between different systems.

Java framework for Cadence Workflow Service

Workflow Runtime Engine based on the Open Workflow Specification (CNCF Sandbox project) for Agentic Workflows

Agent Workflow Engine for AI agents over MCP — per-step directives, completion conditions, and JSON-Schema validation. Self-hostable (Apache-2.0).