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: Siege is an open source load testing and benchmarking utility for web applications. It allows developers to put load on a web server to test application stability and performance under heavy load.
Type: software
Pricing: Open Source