CopyPaste.me - Frictionless sharing between devices
Defonic - Create a unique sound environment at home or in the office
SmartPaste - Copy-paste nicely styled text to apps like GMail and Google Docs without learning new shortcuts.
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.
Keyviz - Visualize your keystrokes in real-time
Noizio - Feeling that the noise of the big city is too much for you to bear?