Qloapps - Open Source System - Build Hotel Booking Website and Manage Online & On-Desk Bookings.
Yelp Reservations - Reservations taken online, front-of-house management, and integration with Yelp.
FewohBee - Web based management tool for hotels, pensions, accommodations and vacation homes
simpleERB - An Electronic Reservation Book for restaurants.
BSI Hotel Booking System - BSI Hotel Booking System is a real time online hotel booking.
NoWait - Restaurant Reservations