Keyboard Skins for iPhone - Keyboard Skins for iPhone is known as a keyboard extension that comes with cool designs, colors, and customizable stuff that change your standard keyboard theme.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Neon L.E.D. Keyboard - Neon L.
Emoji Keyboard - Allows searching and inserting into other applications near thousand emojis.
Live Keyboard Plus - Live Keyboard Plus is a keyboard application designed for both personal and professional use.
Swiftkey - SwiftKey keyboard allows for seamless typing and adapts to the way you type, so you can spend less time correcting typos and more time saying what you mean.