Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
skribbl - Word guessing based on drawing.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
LetsDraw.It - Guess and Draw, Drawing Battle, Pictionary, Copy picture - online drawing games where you can compare your skill with others.
Listary - Listary is a revolutionary search utility for Windows
gartic.io - Draw, guess, and win!