Description: Coursera is an online learning platform that offers over 3,000 courses and specializations from top universities and companies worldwide. Courses span topics like business, computer science, arts, social sciences, and more.
Type: software
Pricing: Freemium
Description: Project Euler is a website dedicated to a series of computational problems intended to be solved with computer programs. The problems involve mathematics and logic puzzles that require knowledge of math and programming to solve.
Type: software