Education and Courses 

Alison - Free online courses. (F)

Codecademy - Learn to code. (F)

Course Builder - Open source education platform.  Create your own courses (F)

Duolingo - Free language education. (F)

EDX - Harvard/MIT online courses. (F)

iSpring - E-Learning Software and Authoring Tools for Powerpoint (FT)

Future Learn - Certified learning from leading universities and organisations worldwide (F)

Linkedin Learning - Formerly Lynda.com.  Tons of online learning resources

Mind Tools - Platform for skills building

Mixergy - Interview and courses by entrepreneurs for entrepreneurs.

Stanford E-corner - Stanford University online entrepreneurship courses (F)

Udacity - Online courses in cutting edge technologies (FT)

Udemy - Online courses (F)