Evercontact - Your contacts always up to date and automatically with Evercontact.
OpenTable Connect - Restaurant Reservations
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
Yelp Reservations - Reservations taken online, front-of-house management, and integration with Yelp.
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses
simpleERB - An Electronic Reservation Book for restaurants.