resque/resque

Simple, efficient background processing for Ruby

Simple job queues for Python

BullMQ - Message Queue and Batch processing for NodeJS, Python, .NET, Elixir, Rust and PHP based on Redis or PostgreSQL

Distributed Task Queue (development branch)

An easy way to perform background job processing in .NET and .NET Core applications. No Windows Service or separate process required

Simple, reliable, and efficient distributed task queue in Go

Premium Queue package for handling distributed jobs and messages in NodeJS.

Ruby on Rails

Cron jobs in Ruby