MassMob: Meetings and Smart Mobs in Google Wave
MassMob is a gadget extension for Google Wave that tries to help in the organization, call and speed-up of events different than just barbecues, such as meeting or protest demonstrations. Ok, and also barbecues.
MassMob is released under the GNU Affero General Public License v3.
 A barbecue is one of the examples of the Google Wave Presentation.