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.
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...
Requestdiff : Differentiate HTTP headers and content body of two GET URLs.
Vector Magic : Easily Convert Bitmap Images To Clean Vector Art
Automatically convert bitmap images like JPEGs, GIFs and PNGs to the crisp, clean, scalable vector ar...
