Google Lens - Discover information about something by taking a photo
OK Google - Explore over 150 Google Now voice commands in one place
Microsoft Lens - Microsoft Lens (formerly known as Office Lens) is an all-in-one application designed for Windows, Android, and Apple devices, allowing you to capture important information from signs, PDFs, whiteboards, and more to add.
Dialogflow - Conversational UX Platform. (ex API.ai)
GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
StdLib - Discover pre-built APIs, compose your own and build apps