Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
Noizio - Feeling that the noise of the big city is too much for you to bear?
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard
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.
Mocha Keyboard - Mocha Keyboard is a leading Bluetooth keyboard application for iPad, iPhone, and iPod touch.
zenmix.io - Ambient background sound generator