OK Google - Explore over 150 Google Now voice commands in one place
Google Home - Set up, manage, and control your Chromecast, Chromecast Audio and Google Home devices.
Hal - Humans are Underrated, F*CK AI
Tmall Genie - Alibaba's Echo-like smart speaker competitor
Osara - Osara brings Command Palette for app menus to all your apps
Voice in a Can - A standalone Alexa app for the Apple Watch and Galaxy Watch