PimpBNC is an IRC bouncer written to be easy to use and still have many powerful features. It supports Perl modules, runs on almost any platform, supports multiple clients sharing the same nick (IRC-NAT), and has a Web-interface to ease configuration, feedback forms to ease reporting comments or bugs, many detailed configuration options, an away system with logging, feature to automatically update whole or parts from the Web while running, and the ability to notify the user when updates are available.
