Udemy - Online Courses - Learn Anything, On Your Schedule
calibre - Ebook manager, viewer & converter
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.
FBReader - FBReader is an e-book reader for various platforms. Features:
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.