Readwise - Effortlessly rediscover and organize your Kindle highlights
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.
Knotes - An efficient, beautiful Kindle highlights & notes manager
Udemy - Online Courses - Learn Anything, On Your Schedule
Pocket to Kindle (P2K) - Send articles saved in Pocket to your Kindle
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!