Scandit - Barcode scanner SDK for iOS, Android and Web, as well integration-free products such as the Keyboard Wedge and Enterprise Browser
Veeqo - Beautiful online inventory and order management software that integrates with Amazon, eBay, Magento, Shopify & WooCommerce to sync inventory and print shipping labels
Proteus WMS - Warehouse Management Software (or WMS) designed to improve your business productivity. Proteus are best of breed WMS specialists who integrate with any ERP.
d.Mobile IM - Picking
Lightning Pick - Lightning Pick provides pick-to-light, put-to-light, picking carts and other paperless picking systems for improved order fulfillment and manufacturing.
Zangerine - All-in-One Software for Distribution, Wholesale & eCommmerce