Doneit - Meet Doneit, a feature-packed projects and tasks manager that focuses on simplicity and organization.

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

Week - Task management tool with a heavy focus on planning

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.

Everlist Task Manager - Groceries, trips, errands, and daily todos managed simply. get your tasks under lovely control.

Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.