Simple Poll - The easiest way to create polls in Slack
Gboard - Google-powered keyboard with search, GIFs, emojis and more!
GitHub Polls - Polls for GitHub issues and readme
Fleksy - Fleksy is the #1 private, white-label virtual keyboard SDK, enabling companies to create unimaginable products.
minipoll - Create simple shareable polls in seconds
AnySoftKeyboard - Android (f/w 1.5+) on-screen keyboard for multiple languages.