Gboard - Google-powered keyboard with search, GIFs, emojis and more!
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.
Emoji Keyboard - Allows searching and inserting into other applications near thousand emojis.
Neon L.E.D. Keyboard - Neon L.
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.
Live Keyboard Plus - Live Keyboard Plus is a keyboard application designed for both personal and professional use.