Neon L.E.D. Keyboard - Neon L.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Live Keyboard Plus - Live Keyboard Plus is a keyboard application designed for both personal and professional use.
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Kika Keyboard - Kika Emoji Keyboard is an instinctive, expressive and universal keyboard app.
Hacker's Keyboard - Are you missing the key layout you're used to from your computer when using an Android device?