Wikibooks Alternatives

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.

Build skills with courses, certificates, and degrees online from world-class universities and companies

Virtual cards for any advertising accounts and personal purchases

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Best Courses. Top Institutions. Learn anytime, anywhere.

Wikiversity is a Wikimedia Foundation project devoted to learning resources, learning projects, and research for use in all levels, types, and styles of education from pre-school to university, including professional training and informal learning.

Online Courses - Learn Anything, On Your Schedule

Amusewiki is more than just a wiki engine, it’s also a powerful authoring, archiving and publishing platform.

open-source

Join Udacity to learn the latest in Deep Learning, Machine Learning, Web Development & more, with Nanodegree programs & free online courses.

Use engaging videos on TED-Ed to create customized lessons. You can use, tweak, or completely redo any lesson featured on TED-Ed, or create lessons from scratch based on any video from YouTube.

Helpie is the most advanced Knowledge Base plugin for WordPress.

Learning has never been this social and accessible for so many!

WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.

open-source

The CodeTactic CMS is a custom content management system based on PHP.

Online training through LinkedIn's professional network.