Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
- distributed-systems
- grpc
- java
- javascript
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Blazing fast, instant realtime GraphQL APIs on all your data with fine grained access control, also trigger webhooks on database events.
Dapr is a portable runtime for building distributed applications across cloud and edge, combining event-driven architecture with workflow orchestration.
Temporal service
- workflows
- workflow-engine
- workflow-automation
- workflow-management
The first open-source harness builder for AI coding. Make AI coding deterministic and repeatable.
Effortlessly compose, extend, and observe every service in real-time for the first time ever.
Code-first platform for workflows, apps and AI agents, on the fastest self-hostable orchestrator (benchmarked against Airflow, Prefect and Temporal). Business teams build with AI, engineers control what ships. Open-source alternative to Lovable, Retool and n8n.
- open-source
- python
- typescript
- postgresql
swagger-codegen contains a template-driven engine to generate documentation, API clients and server stubs in different languages by parsing your OpenAPI / Swagger definition.
Workflow Engine for Kubernetes
- workflow
- kubernetes
- argo
- dag
AWX provides a web-based user interface, REST API, and task engine built on top of Ansible. It is one of the upstream projects for Red Hat Ansible Automation Platform.
GraphQL is a query language and execution engine tied to any backend service.
Open-source feature management platform
- feature
- feature-toggle
- unleash
- feature-flags
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
A high-performance web server and reverse proxy, 100% compatible with nginx.
Socket-based TS/JavaScript API for WhatsApp Web
A distributed transaction framework, supports workflow, saga, tcc, xa, 2-phase message, outbox patterns, supports many languages.
- saga
- xa
- tcc
- microservice
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
- bpmn
- java
- workflow
- workflow-engine
Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
- uber
- cadence
- workflows
- orchestration-engine
⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps
- ruby
- rails
- pagination
- kaminari
Open Source Feature Flags, Experimentation, and Product Analytics
- abtesting
- statistics
- abtest
- experimentation
🪓 An orchestration engine for background tasks, AI agents, and durable workflows
A graph node engine and editor written in Javascript similar to PD or UDK Blueprints, comes with its own editor in HTML5 Canvas2D. The engine can run client side or server side using Node. It allows to export graphs as JSONs to be included in applications independently.
- graph
- modular
- javascript
- visual-programming
The Workflow Engine for .NET
- elsa
- workflows
- dotnet
- csharp