RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Browsershots : Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providi...
RoundPic : Online tool for making anti-aliased rounded corners (very Web 2.0!) for avatars and images
Query Mongo : Convert MySQL Queries to MongoDB Syntax
SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
