uniCenta oPOS - Award winning Point Of Sale
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
PHP Point Of Sale - Point of Sale software
Facebook Local - Discover places to go and events happening near you
Biyo POS - Biyo POS is the free POS (free point-of-sale) small to enterprise software perfect for your retail...
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets