Custom Product Designer for Magento 2 is one of the best tools available to run yours online printing portal for print any design and any text on a product like T-Shirt, cap, coffee mug, etc. Magento...
In Opencart Multivendor extension seller can create a Discount coupon for his product and admin can also create a discount coupon for seller product.
You will save time by applying the Bulk product update extension for mass product actions at the time without accessing, changing, and saving every product singularly.
The geo zone shipping method is a way in Purpletree Opencart Multivendor Extension that allows the seller to select the different zones and give some price for selected geo zones.
In Opencart multivendor marketplace extension have their own Opencart shipping method called Purpletree Shipping based on Product / Category / Weight / Zip.