Why? When Boris was writing the client angel script he somehow named it "dropr". As we neither got better suggestions nor had any other idea we just decided for this name. Actually the name is a little bit fun because all those stupidR startupRs. But it's nice and somehow our framework drops message into queues.
Check out the project's homepage for more information including installation instructions, methods to download the latest version, some FAQs and a roadmap for where the project's going.