Alexa Skill Kit - Effortless Alexa Skill development with AWS Lambda
Healcomputer - E-commerce technology site + computer related articles + product reviews.
BotTalk - Create Alexa skills and Google Assistant actions with Markup
IdiotBuy - Great list of awesome stuff to buy online.
Alexa Skill Builder by Chatamo - Build your own Alexa skills for free (no code required)!
Awesome Stuff To Buy - Huge list of awesome stuff to buy online, if you're looking for cool things to buy this is for you, including gadgets and unique products from sites like Amazon.