PHP-Identicons is a lightweight PHP implementation of Don Park's original identicon code for visual representation of MD5 hash values. The program uses the standard PHP GD library for image processing.
Murmur is a C++ fork/rewrite of the smhasher project to bring Murmurhash v.3 to the Linux shell and to the PHP scripting language.
A free email application which is easy to set up and customize.
A Java Swing application to test RESTful Web services.