AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Grammarly - Clear, effective, mistake-free writing everywhere you type.
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
iTunes - Media player, media library, Internet radio broadcaster, and iPhone device management application
FlorisBoard - An open-source keyboard for Android.
tOndO keyboard - A fast, accurate and easy to learn alternative input method.