repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
ideone.com : Ideone is an online compiler and debugging tool which allows youto compile source code and execute it online in more than 60 programming languages.
HTTP Archive : The HTTP Archive tracks how the Web is built.
RECESS : Developed at Twitter to support our internal styleguide, RECESS is a simple, attractive code quality tool for CSS built on top of LESS.
Incorporate it...
Piano Etudes : nspired by the tradition of open-form musical scores, I composed each of these four piano etudes as a collection of short musical fragments with links...