Description: Codewars is an educational community for computer programming. It offers code challenges known as kata which are ranked by difficulty. Users train on these coding challenges to improve their skills.
Type: software
Description: Paper.js is an open-source vector graphics scripting framework that runs on top of the HTML5 Canvas. It offers a clean scene graph, mouse and keyboard handling, mathematical utilities, and more for crafting 2D interactive and animated graphics within the browser.
Type: software
Pricing: Open Source