Check out the official r/Shopify community on Reddit, where Shopify merchants, developers, and partners from the ecosystem come together and help one another.
Richard Lazazzera of A Better Lemonade Stand runs Ecommerce Entrepreneurs. With close to 50,000 members, the Facebook group is one of the largest forums for discussion, learning, and growth on Shopify, ecommerce, digital marketing, Adwords, SEO, SEM, web analytics, content, CRM, etc.
This is the official Shopify Community forums where partners and merchants meet to discuss ideas, get feedback and help, and learn from each other.
VerumEcom focuses on providing high-quality training and resources for people looking to either start their first e-commerce business or take their existing business to the next level.
Run by Jonathan Kennedy of HeyCarson, Shopify Entrepreneurs is one the largest and most active ecommerce communities on the internet. With over 100,000 members, join this community to talk about all things ecommerce across every kind of topic.
If you're new to the ecommerce game and just about to make the plunge, Shopify Newbies is a strong group with close to 100,000 members that can help you get started on your Shopify ecommerce business journey.