uniCenta oPOS - Award winning Point Of Sale
Party with a Local - Party with a Local is a free app that connects travelers with locals that want to party.
Floreant POS - Floreant POS :: Open Source Point of Sale – Think POS Think Floreant
Babble - A more personalized social network
ERPLY - ERPLY.com is a web based affordable point of sale software and inventory system.
Palaround - Meet people you should be friends with.