Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
OK Google - Explore over 150 Google Now voice commands in one place
BotTalk - Create Alexa skills and Google Assistant actions with Markup
Hal - Humans are Underrated, F*CK AI
Actions on Google - The open platform for Google Assistant
Osara - Osara brings Command Palette for app menus to all your apps