Secure My Website - A pain-free service to add SSL to your site, for non-geeks
Shopify App Tips - The Best Tips to Run a Shopify App Business is a website curating a list of 80+ tips to help you run a Shopify App.
NakedSSL - Hassle-free SSL clothes for your naked domains.
E-commerce Checklist - Increase conversion rate and revenue of your ecommerce store
redirectssl - Setup your naked (non-WWW) domain with an SSL and redirect it anywhere.
E-Commerce Stack - A curated directory of E-commerce tools & contents