Description: HackADay is a blog that publishes articles daily about hardware and software hacks, covering topics like electronics, programming, 3D printing, and more. It features everything from small Arduino-based projects to large open source hardware initiatives.
Type: software
Pricing: Open Source
Description: Khan Academy is a free online learning platform that offers practice exercises, instructional videos, and personalized learning dashboard for K-12 and college level students. Subjects covered include math, science, economics, history, grammar, and more.
Type: software
Pricing: Free