rsizr : rsizr is a Flash application that lets you resize JPG, PNG, and GIF images on your computer. With rsizr, in addition to normal image rescaling and cro...
RegExr : RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
Feed43 : Your favorite site doesn't provide news feeds?
This free online service converts any web page to an RSS feed on the fly.
SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
