Type2phone - Type2Phone: Use your Mac as keyboard for iOS devices
amphetype - Advanced typing practice program
Typeeto - Use Mac’s keyboard to type on iPad, iPhone, Android, etc.
Type Fu - Type Fu is an app that will teach you how to type fast. The right way. On Mac, Windows and Chrome OS.
1keyboard - Type on your iPhone, iPad or AppleTV using your Mac keyboard
Tach Typing Tutor - Tach Typing Tutor is an open-source advanced typing tutor for Windows that you can use to improve your typing speed, accuracy, and skills.