Instant Message Chat Bot - AIM bot provides a simple method for keeping a group of AIM users in touch with another by IMing the bot, which fwds it out to the members like a chat room. Ideal for a team of people who all use AIM. Now with SMS texting!
JIMO(Java-based Instant Messenger One), supports multiple protocols via services, including AIM, MSN, Yahoo, IRC. It is flexible through its plugin architecture, with an intelligent agent, Chatbot.