Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.
Adobe Experience Manager - Adobe Experience Manager is a cross-platform CMS that works across websites, mobile apps and on-site displays.
Vtiger Help Desk - Vtiger Help Desk provides multi-channel helpdesk solution.
Front - multi-channel inbox service for collaborative teams
Hubspot Service Hub - HubSpot's customer service software makes supporting customers easy. Help your customers on the channels they prefer, while driving efficiency for your team.
PlanetPress Connect - A toolset for printed and digital communications.