Awesome Quick Viewer
Use WordPress customizer API for liveedit. You can see the change live on edit.
Super easy to change the theme option of your Quick Viewer with the custom customizer.
Awesome Quick Viewer for WooCommerce has a lite version it also free.
Show Slider when products gallery exist. Lots of feature on slider control.
It is a lightweight. Used less dependency so it will load fast..
Use flexbox for flexible layout. It is fully responsive.