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.

Momentum - Agile goal and performance management

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

New Tab by Flickr - Get a beautiful photo each time you open a new tab

RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.

Gratitude Flow - Gratitude Flow is a web extension that allows you to share and receive gratitude on your new tab with real people around the world.