06/06/2011

• YAML Builder : A tool for visual layout development of YAML based CSS layouts
• repl.it : Powerful and simple online compiler, IDE, interpreter, and REPL. Code, compile, and run code in 30+ programming languages. including JavaScript, Pytho...
• Online YUI Compressor : This is a web interface to compress your JavaScript or CSS.
• kuler : Color palette generation tool
• The W3C Markup Validation Service : This validator checks the markup validity of Web documents in HTML, XHTML, SMIL, MathML, etc.