PHP Point Of Sale - Point of Sale software
Booking Ninja - Booking Ninja allows you to create a free, simple, online reservation tool for your restaurant or cafe.
Floreant POS - Floreant POS :: Open Source Point of Sale – Think POS Think Floreant
OpenTable - Make online restaurant reservations, read restaurant reviews from diners, and earn points towards...
uniCenta oPOS - Award winning Point Of Sale
Hostme - Reservation, table, waitlist and loyalty management for restaurants