Gboard - Google-powered keyboard with search, GIFs, emojis and more!
Free Virtual Keyboard - Free Virtual Keyboard is a free, lightweight, multilingual and finger friendly virtual keyboard.
Fleksy - Fleksy is the #1 private, white-label virtual keyboard SDK, enabling companies to create unimaginable products.
Click-N-Type - Click-N-Type virtual keyboard (on-screen keyboard) free software is an assistive technology for people with a physical disability involving motor skill impairment from spinal cord injuries, ALS, Muscular Dystrophy, Cerebral Palsy, Multiple Sclerosis…
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.
Onboard on-screen keyboard - An onscreen keyboard useful for tablet PC users and for mobility impaired users.