Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
OK Google - Explore over 150 Google Now voice commands in one place
Jovo - ๐ฃ Build cross-platform apps for Alexa and Google Home
Hal - Humans are Underrated, F*CK AI
API to bot - Convert your API to Alexa skill or Google Home app in 5 mins
Osara - Osara brings Command Palette for app menus to all your apps