Kika Keyboard - Kika Emoji Keyboard is an instinctive, expressive and universal keyboard app.
WordBoard - Save time typing on your phone
Live Keyboard Plus - Live Keyboard Plus is a keyboard application designed for both personal and professional use.
Phraseboard Keyboard - Phraseboard Keyboard is a free to use mobile application that customizes and categorizes your Keyboard with easy to access phrase.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.