Workday - Workday is an on‑demand financial management and human capital management software solution.

Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!

Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.

Chamilo - Chamilo is a software that allows you to create a virtual campus for the provision of online or semi-online training.

Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.

Open edX - Open edX is implemented mostly in Python (with some Ruby and NodeJS as well) and the code is being...