shopping-cart3 ecommerce2 online-store2 add-product1 admin-dashboard1 android1 asp-net pos1 aspnet inventory1 business management1 c-sharp pos1 ecommerce shopping1 full-stack1 inventory management1 inventory manager1 inventory system1 invoice manager1 java1 marketplace1 modern-ui1 multi-vendor1 mysql1 nextjs1 nodejs1 order-product1 orders1 point of sale1 pos1 pos modules1 postgresql1 rbac1