Time to upgrade the online store into a fully functional Marketplace like Amazon, Etsy, eBay. Multi-Seller Marketplace developed using the OpenCart Marketplace extension transforms the store from a single-vendor store to a multi-seller marketplace. The multi-vendor marketplace allows multiple sellers to list and sell their products at the store. Sellers can add and update the products, profile, shipping methods etc from the seller dashboard. The store admin can monitor and manage the products, seller requests, orders, shipping services etc from the admin panel of the store. OpenCart Marketplace Extension offers store admin the provision to make the marketplace products available to customers at their fingertips. The mobile app developed using the mobile app builder can be made available for both iOS and Android customers.