The Apache/Perl integration project brings together the full power of the Perl programming language and the Apache HTTP server. With mod_perl it is possible to write Apache modules entirely in Perl. In addition, the persistent interpreter embedded in the server avoids the overhead of starting an external interpreter and the penalty of Perl start-up time.
The GlobeCom Jukebox is a music jukebox with integrated CDDB-aware ripping and groupware functionality. It is completely configurable from the Web interface, seamlessly integrates ripping from CD to encoded MP3, and supports grouping of songs, peak adjustment, account management for access, streaming of jukebox or single song, themability, album handling, and online help.
SDBA Revolution is an open-source architecture written in Perl which simplifies and streamlines the process of writing applications that run on an instant messaging network. It features easy scripting of IM responses, session variables which are consistent across messages, session time limits, support for multiple "apps" from one bot, basic security, the ability to use multiple access lists, and capabilities to allow external application integration. It makes writing IM apps very much like writing mod_perl or PHP pages. It currently supports AIM, MSN, ICQ, YIM, and Jabber. The homepage has full tutorials and documentation.
Douglas Thrift's Search Engine is an indexing search engine for use on small Web sites such as personal or small business sites. It is designed to be very similar to Google for end users and its output is customizable. For indexing, it supports both the Robots Exclusion Protocol and the Robots META Tag.