RadhikaGB is a guest book that is highly customizable and highly optimized. It features a powerful admin panel and spam protection. Users are able to update keywords, descriptions, per page posts, counter values, etc. RadhikaGB is highly secure, and it logs all login activity to the admin panel. It also has the builtin ability to back up its database.
Joker the IRC bot is a PHP class designed for quick and easy IRC bot construction. This base class contains methods that can be executed from your plugins. It has built-in flood protection, timers, and a powerful plugin system that allows you to reload plugin classes on-the-fly, without restarting the PHP console or disconnecting from the network.