Lee Willis

Allows you to store a set of “Requirements” against a product, and display those on the product page in a widget. With built in compatibility for Easy Digital Downloads, WooCommerce and WP e-Commerce – easily edit your products’ requirements on the main WordPress post editing screen, and display them in a widget on your store’s front end.
The plugin’s available for forking and contribution over on <a href="https://github.com/leewillis77/Product-Requirements" rel="nofollow ugc">GitHub</a>

Product Requirements

Allows you to store a set of "Requirements" against a product, and display those on the product page in a widget.

MohammadJafar Khajeh

In Dokan when a user registered it can create or edit products. To create or edit products this user should be a vendor and enable selling for it. 
With this plugin, all users after login into their account, will be automatically vendor and enable selling for them.

Dokan auto seller

Automatically active enable selling for users and change their role to the vendor.

Product Requirements vs Dokan auto seller