Queueing theory: an introduction for software development
PHP port of resque (Workers and Queueing)
Machinery is an asynchronous task queue/job queue based on distributed message passing.
Beanstalk is a simple, fast work queue.
A minimalist queueing DSL for Beanstalk.
A Rails engine for queueing and managing data migrations.
Airbnb's Open-source Distributed Delayed Job Queueing System
Declare job classes that can be run by a variety of queueing backends
Source code of queueing-based vehicle dispatching framework
Code for Bayesian inference for queueing networks with incomplete data
A Print Farm Queueing and Distribution Manager for 3D Printers running Klipper and Moonraker.
Look at https://edgeapi.rubyonrails.org/classes/ActiveJob/QueueAdapters.html instead. AMQP Queueing backend with hooks into delayed_job_active_record
Parallel Apache Kafka client wrapper with per message ACK, client side queueing, a simpler consumer/producer API with key concurrency and extendable non-blocking IO processing.