Description: jsFiddle is an online code editor that allows users to create, edit, debug and share HTML, CSS and JavaScript code snippets. It's useful for testing code, sharing examples, and prototyping web apps quickly.
Type: software
Pricing: Free
Description: Project Euler is a website dedicated to a series of computational problems intended to be solved with computer programs. The problems involve mathematics and logic puzzles that require knowledge of math and programming to solve.
Type: software