Ciechanowski's work (check Gears and Curves as good examples, but all of them are good) https://ciechanow.ski/archives/ https://ciechanow.ski/archives/ Interac

Ciechanowski's work (check Gears and Curves as good examples, but all of them are good) https://ciechanow.ski/archives/ https://ciechanow.ski/archives/ Interactive linear algebra book https://textbooks.math.gatech.edu/ila/ https://textbooks.math.gatech.edu/ila/ Visualizing quaternions https://eater.net/quaternions https://eater.net/quaternions Another quaternions visualization tool that reminded me that a few years ago many sites were full of java applets that were the first "explorables". Sometimes I still stumble upon old university websites that leave some space for the applet but it never loads. Sad stuff https://quaternions.online/ https://quaternions.online/ Some tools to make them: https://github.com/ManimCommunity/manim https://github.com/ManimCommunity/manim https://p5js.org/ https://p5js.org/ https://processing.org/ https://processing.org/