Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
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.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
MyNoise - Custom shaped online noise machines. Many Many generic sounds
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.