product by category widget
I think this idea may have been declined a few times, but from having a look around I think it is worth suggesting again. I would like to list a certain product category (eg accessories related to a parent product). If there was a "Product by Category" widget this would be really useful.
melany 123 commented
already there is an extension called WooCommerce Related Products Slider
you can check more about it on : http://codecanyon.net/item/woocommerce-related-products-slider/5395073?ref=wpproducts
“WooCommerce Related Products Slider” is used to display the related products with nice sliding effects that belong to the same Product Category or Product Tag.”WooCommerce Related Products Slider” extends the WooCommerce Plugin by displaying related Products to the site. It automatically selects related Products based on the Category or Tag and shows the related products on the products details page.