Wave is Google's answer to the question: "What would email be like if it was invented in 2009?" - thankfully, one thing they've kept around is the decentralisation of the system - this is the project to set up my own "fedone" prototype Wave server.
A preliminary look into how a modular CommBadge server might look.
Pulaski: An Open Source Communications Badge server.
This is the announcement of the "Pulaski" project to create an open source server platform for integrating with commbadges or "Communications Badges." This includes bluetooth communications badges, Vocera wifi badges and any generic platforms created by individual hackers.