FullCalendar - FullCalendar is an open-source JavaScript event calendar.
Qloapps - Open Source System - Build Hotel Booking Website and Manage Online & On-Desk Bookings.
Dudle - Dudle is an online scheduling application, which is free and open source.
HotelDruid - Hoteldruid (ex Php-Residence) is an open source program for hotel management developed by...
Mobile-Calendar - Reservation management system. If you rent accommodation, the mobile-calendar app was made for you!
OrgBusiness Software - Organize, track, manage any information related to your home, business or organization.