The past few days I invested in developing a base framework for implementing service bots atop of micro-blogging services such as Twitter and Identica. The framework is written in Ruby and builds upon John Nunemaker’s Twitter gem.
Openfire is a real time collaboration (RTC) server licensed under the Open Source GPL.
Prosody is an exciting new server for Jabber/XMPP written in Lua. It aims to be easy to use, and light on resources. For developers it aims to give a flexible system on which to rapidly develop added functionality, or prototype new protocols.