Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.

ATracker - ATracker app allows you to track your time in a few simple steps and can view full daily, weekly, and monthly reports at a glance.

Worksnaps - Worksnaps is a unique service specifically designed to track time for remote workers, telecommuters and freelancers.

iBetter - iBetter app comes up with features to help you in fighting bad habits and developing new habits through your smartphones.

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.

myPoli - Gameified to-do list and habit tracker.