Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Effortless - Stay focused and beat procrastination on your Mac.
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Fleksy - Fleksy is the #1 private, white-label virtual keyboard SDK, enabling companies to create unimaginable products.
Forest App - Forest is an app that helps you stay focused on the important things in life.