Dudle - Dudle is an online scheduling application, which is free and open source.
FinancialForce HCM - FinancialForce.com provides cloud back-office applications for Salesforce CRM.
Pulse 24/7 - Booking & scheduling mobile app for service providers
StarGarden HCM - StarGarden HCM is an integrated HR and Payroll software with workflow automation tools.
MakePlans - Online appointment booking - MakePlans
isolved - isolved is an employee experience leader, providing intuitive, people-first HCM technology.