If Shopify for selling goods, what are the others?

Hello, I am looking for easy to use business enablers. I am looking for a great list of easy-to-use third tools, that you can easily outsource and build your business on. e.g., use Shopify for selling goods; use X for ...

I am particularly interested in data analytics, processing (any given format) data (and getting various insights out of it) and data collection (outsourced IoT).