Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Pet Sitter Plus - Pet Sitter Plus is a pet sitting software that provides scheduling & billing features for business that includes invoicing, client & pet records, etc.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
HappyGoMobile - HappyGoMobile is a cloud software designed for pet care businesses focused on pet boarding, pet sitting, dog walking, grooming and training
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
ProPet - ProPet is a cloud based kennel management software to meet the growing demand from professionals in the pet care business.