Here is the eCommerce boilerplate built with NextJS + Tailwind. It’s open source and the commerce data is served from Tradly Headless Commerce API.
As the repository is constructed with Tradly JS Sdk, it might be easy to get started for your JAM Stack application. Plus the components are built in organised manner.
Github URL: https://github.com/TRADLY-PLATFORM/Butterflies
There is a great readme file inside the repo, you may refer for a technical informations. The code has multiple page layouts which you can change according to your needs. When you run for the first time, you might see the UI as below.