DragonBox Numbers - Teach kids about numbers with an easy and fun game
HTML Planet for Kids - A fun way to learn HTML & CSS
Wikids - An encyclopedia that talks to your kids
PictoBlox - Coding for kids: Program robots. Make games. Do much more.
Litnerd - The Pixar for education, reading program for K-5 schools
Strive - Automated software job search, based on your interests.