GSN is a middleware (extendible software infrastructure) for rapid deployment and integration of heterogeneous wireless sensor networks. It is tested with Mica2, Mica2Dot, TinyNodes, Wisenode ,Wired & Wireless cameras, several RFID readers,...
Allows screen sharing over email, or through 'conversations' with contacts, so that when a contact receives a screenshot it's automatically displayed with its default image viewer.