Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Khan Academy - Khan Academy offers online tools to help students learn about a variety of important school subjects. Tools include videos, practice exercises, and materials for instructors. Read more about Khan Academy.
REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.
Coursera - Build skills with courses, certificates, and degrees online from world-class universities and companies
Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
edX - Best Courses. Top Institutions. Learn anytime, anywhere.