Sites and apps similar to AvailApp include Hotelogix. It's paid, but innHand is free. Other options are OrgBusiness Software, Checkfront, Mobile-Calendar and BedBooking. You can choose from more than 10 Hotel Management Services like AvailApp for Windows, iPhone, iPad, Android and Mac.
Octopus24 is a Software for Hotels and Rental Properties. It offers a Complete Property Management System (PMS), Channel Manager, Web Page + Booking Tool, Electronic Invoicing, Reports, Cleanning and Accountability Features.
Acturent an online property management software. Great for landlords or property managers to easily track their properties, leases, tenants, and basic accounting. Replace Excel as your tool to manage your lease and property information.
