udemy-dl - Download courses from Udemy for personal offline use
MathJax - MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers.
SwiftBites - Learn how to code in swift with interactive mini lessons
AsciiMath - Easy-to-write markup language and JavaScript display engine for mathematics
Mimo - Learn how to code on your iPhone📱
X (Twitter) - Connect with your friends and other fascinating people. Get in-the-moment updates on the things that interest you. And watch events unfold, in real time, from every angle.