VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Adobe Learning Manager - Adobe Learning Manager (formerly Adobe Captivate Prime LMS) is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
AIMP - AIMP : Free Audio Player : Официальный сайт программы
Udemy - Online Courses - Learn Anything, On Your Schedule
foobar2000 - An advanced freeware audio player for the Windows platform.
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!