Xindus's answer:
ShopRunner - ShopRunner is a members-only online shopping service that offers consumer-friendly and free shipping services.
FedEx - FedEx app features the creation of a large number of national and international shipping labels so you can keep a record of the status of the online package right at your fingertips.
ExportDoc Worldwide - ExportDoc Worldwide 6.
Delhivery - Delhivery is an E-commerce logistics solution.
WebShopApps - WebShopApps offers Magento extension development services.
Shiprocket X - Cross-Border Shipping Made Easy