Introducing the Alexa Voice Service Device SDK for Commercial Device Makers : Alexa Blogs
Amazon Lex png images | PNGWing
Send a Gadget a Custom Directive from a Skill | Alexa Gadgets Toolkit
Amazon's free Alexa API is a boon for developers | TechRepublic
Developing a Custom Alexa Skill to Control an IoT Device | Backendless
Understand Smart Home Skills | Alexa Skills Kit
GitHub - alexa/alexa-skills-kit-sdk-for-nodejs: The Alexa Skills Kit SDK for Node.js helps you get a skill up and running quickly, letting you focus on skill logic instead of boilerplate code.
Alexa Gadgets demo on nRF5 Series – JimmyIoT
Amazon Echo adds SDK as Alexa spreads to other gadgets - SlashGear