GCompris - Educational Game for Children 2 to 10 years old.
Litnerd - The Pixar for education, reading program for K-5 schools
Tux Paint - Tux Paint is a free, award-winning drawing program for children ages 3 to 12 (for example, preschool and K-6).
Breadcrumb LMS - Enabling children to explore and learn on their own
I Know It - "I Know It" is an online game for practicing primary-level math concepts.
Filadd - Helping LatAm college students perform up to 100% better