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
Description: STLFinder is a free, open-source tool for finding and downloading 3D printable models and STL files from across the internet. It allows you to search multiple model repositories in one place and preview models before downloading.
Type: software
Pricing: Open Source