EasyChannel - Simplify your multichannel eCommerce with EasyChannel.
Sellbrite - Multichannel ecommerce management for serious sellers.
eDesk - Business Tools, Support, Sales, and Marketing, and Help Desk
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Linnworks - Linnworks enables businesses to manage their multichannel inventory, orders and fulfillment from a centralized platform and provides insights for business planning and growth.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.