Aegis Authenticator - Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens...
amphetype - Advanced typing practice program
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
TypingMaster - Learn touch-typing technique, and improve/increase typing accuracy and speed.
OTP Auth - The app for calculating one-time-passwords on iPhone and iPad.
Type Fu - Type Fu is an app that will teach you how to type fast. The right way. On Mac, Windows and Chrome OS.