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.

Speechy - Speechy is an app by Twelve Stars Software that comes up with features to help you in reading text in a variety of different formats such as pdf, txt, EPUB, webpages, and many others.

Noizio - Feeling that the noise of the big city is too much for you to bear?

NoteAway - NoteAway is the simplest, most convenient way to take quick notes on OS X.

MyNoise - Custom shaped online noise machines. Many Many generic sounds

OnlineNotepad.org - Free browser-based text editor