Open Peeps - A hand-drawn illustration library.
Udemy - Online Courses - Learn Anything, On Your Schedule
Control Illustrations - 108 free flat illustrations with customizable characters
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.
DrawKit - MIT licensed SVG illustrations, in 2 styles
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!