GitHub - alexa/alexa-for-business: This repository holds sample Alexa skill templates for use in enterprise scenarios and in particular for use with Alexa for Business (aws.amazon.com/a4b). Some samples are more complete, such as
Amazon Alexa Skillsチュートリアル - nullpo.io
Researchers show Alexa “skill squatting” could hijack voice commands | Ars Technica
Alexa Python Development: Build and Deploy an Alexa Skill – Real Python