## Job Scheduler

1. rq  
RQ is a simple Python library for queueing jobs and processing them in the background with workers. It is backed by Redis and it is designed to have a low barrier to entry.  
Project Source: https://github.com/nvie/rq  
Project Homepage: http://python-rq.org/

1. luigi  
Luigi is a package that helps you build complex pipelines of batch jobs. It handles dependency resolution, workflow management, visualization, handling failures, command line integration, and much more.  
Project Source: https://github.com/spotify/luigi  
Project Documentation: http://luigi.readthedocs.org/en/latest/api/luigi.html  

1. celery  
Task queues are used as a mechanism to distribute work across threads or machines.  
Project Source: https://github.com/celery/celery  
Project Homepage: http://www.celeryproject.org/

1. schedule   
An in-process scheduler for periodic jobs that uses the builder pattern for configuration.   
Project Source: https://github.com/dbader/schedule   

1. pika   
Pure Python RabbitMQ/AMQP 0-9-1 client library   
Project Source: https://github.com/pika/pika   
Project Documentation: http://pika.readthedocs.org/en/0.9.13/  

1. pyres  
Resque is a great implementation of a job queue by the people at github.   
Project Source: https://github.com/binarydud/pyres  

1. kombu   
Kombu is a messaging library for Python.  
Project Source: https://github.com/celery/kombu   
Project Documentation: http://kombu.readthedocs.org/en/latest/    

1. huey    
a little multi-threaded task queue for python    
Project Source: a little multi-threaded task queue for python    
Project Documentation: http://huey.readthedocs.org/en/latest/