Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Blockchain Demo - Visual demonstration of blockchain technology
Raiseaticket - Raiseaticket is a 100% free cloud based helpdesk for customer service and support. The saas provides portal, workflows, insights to manage communications for the support and service process.
BlockchainI.CO - Research, ratings and analysis on upcoming ICO’s
Best Support System - Best Support System is self-hosted support ticket application.It handle support ticket, manage email ticket, collect any payment by paypal.
Opporty - Service marketplace for small businesses on the blockchain