The best alternatives to Shippn are Shopify, Ship Label, and ShipHawk. If these 3 options don't work for you, we've listed a few more alternatives below.
Just add the order to your Weengs dashboard seamlessly, through one of our many available integrations (including eBay, Shopify, Magento, WooCommerce & Squarespace) or you can do it manually and we'll come pick...