SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
stylefmt : stylefmt is a tool that automatically formats your stylesheets.
Idiorm and Paris : A minimalist database toolkit for PHP5.
Object relational mapper (ORM), fluent SQL query builder and Active Record implementation for PHP.
Online javascript beautifier : Beautify, unpack or deobfuscate JavaScript and HTML, make JSON/JSONP readable, etc.
Mind42 : Collaborative mind mapping in your browser
SQLFormat is a free online formatter for SQL statements.
