MathJax - MathJax is a cross-browser JavaScript library that displays mathematical notation in web browsers.

Noun Project - With advanced editing features, you now have more control over customizing icons than ever before.

AsciiMath - Easy-to-write markup language and JavaScript display engine for mathematics

Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.

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.

Google Fonts - Making the web more beautiful, fast, and open through great typography