QR Code Generator allows you to easily generate a simple QR code using vCard and the Google Chart API.
Random Password Generator Class is a PHP class that can be used to generate random texts for using as passwords. It can generate a random text of a given length, which may contain either lower or upper case letters, numbers, or symbols.
PHP Array Search provides array searching by the wildcard "%", just like SQL queries.
A BEEP application server.
A library to extract a TLD from a URI and check email validity.