Machinery is an asynchronous task queue/job queue based on distributed message passing.
Simple, reliable, and efficient distributed task queue in Go
Real-time monitor and web admin for Celery distributed task queue
Priority queue task
PostgreSQL-based Task Queue for Python
Mr. Queue - A distributed worker task queue in Python using Redis & gevent
High-priority task queue for Node.js and browsers
A lightweight task queue for Django using RabbitMQ
A simple, fast, robust job/task queue for Node.js, backed by Redis.