There are 2 repositories under free-ecommerce-template topic.
OldSkool is a clean and minimal responsive HTML Bootstrap 5 Ecommerce fashion store template
Alpine is a responsive Bootstrap 5 Ecommerce template with a "Ken Burns" effect on the homepage slideshow, angled banners, and a custom image hotspot banner with popout product cards.
eCommerce Design - Open-Source Bootstrap 5 Template | AppSeed