Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
Google Duplex - An AI assisstant that can talk on the phone 🤖
Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
Assist - Bring the best services to your favorite messaging apps
Voiceflow - Build voice apps in your browser without coding
M - A personal assistant built inside Facebook Messenger