Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Grammarly Keyboard - If you want your mobile writing to truly shine with its polish, you need the Grammarly Keyboard
Facemoji Keyboard - The Facemoji keyboard is definitely one of the better keyboards out there. Feature wise, the app does not disappoint, and in fact, has all of the things that users would want from a keyboard app.Experience is smooth and the keyboard works flawlessly
Fleksy - Fleksy is the #1 private, white-label virtual keyboard SDK, enabling companies to create unimaginable products.
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Big Quick Keyboard - Big Quick Keyboard is an Android keyboard that mimics the layout of the desktop keyboard.