Product ribbons plugin helps to highlight and promote the products on your website. It makes the contents of the site more eye catchy to the customer for different highlighted products.
nopStation's Product Q&A plugin for nopCommerce lets you enable a Q&A section on your online store's product pages and set which customer roles are allowed to ask or answer questions. This plugin lets customers ask questions anonymously and lets the store admin approve or hide customer questions and answers as well.