Dudle - Dudle is an online scheduling application, which is free and open source.
Hotello - Hotello is a SAAS cloud or on premise hospitality management software that manage establishment's day to day operations and customer service.
Pulse 24/7 - Booking & scheduling mobile app for service providers
Innago - Innago offers a cloud-based property management platform for landlords with small to midsize property portfolios. Innago is 100% free to use and comes with a long list of affordable features.
MakePlans - Online appointment booking - MakePlans
AppFolio - AppFolio is the premier online property management software for modern residential and rental property managers. Try it free today.