Open Hot or Not is a free implementation of popular rating sites like HotorNot, sexyono, etc. It has support for themes and language translation.
PHPFramework aims to be a collection of reusable PHP classes to build
Web applications easily. It has a database wrapper and some useful
classes to convert result sets to HTML code.
Sendmailizer performs MTA log file analysis and
generates email usage reports, with general stats
and statistics per user.
A full featured file system for Amazon S3 and other online storage services.
A functional emulator for new IA-32 and Intel64 instructions.