06/06/2011

• 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.
• jsFiddle : Online code editor and playground.
• mobiReady : The mobiReady testing tool evaluates mobile-readiness using industry best practices & standards.
• SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
• W3C mobileOK Checker : This checker performs various tests on a Web Page to determine its level of mobile-friendliness.