Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
BotTalk - Create Alexa skills and Google Assistant actions with Markup
Jovo - 🗣 Build cross-platform apps for Alexa and Google Home
Actions on Google - The open platform for Google Assistant
OK Google - Explore over 150 Google Now voice commands in one place
Algolia Alexa Skills Kit - Integrate Algolia search into your Amazon Skill