A simple bot used for monitoring recent changes on small Wikipedia projects and reporting them to freenode channel(s). The bot has the core features that one would expect. Details available at http://meta.wikimedia.org/wiki/User:EhJJ/RCBot
Happy Fun Bot is a fully modular IRC bot. This consists of a basic engine, providing networking code and event handling, and a core module which provides some basic bot functionality. All other functionality will be provided by third-party modules.
Oak is a flexible IRC bot written in Java. Core components are a reusable IRC framework, a login system, and a plugin manager. Bot functionality will be implemented as plugins, which are loaded on startup or at runtime.