Totango - Totango is a Customer Success Software Platform
Salesforce Service Cloud - Service Cloud integrates customer service with social networks and provides a self-service customer portal and knowledge base system.
Churnzero - ChurnZero is the Customer Success Platform built for growing SaaS and subscription businesses.
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
Planhat - Customer success has changed. Meet the modern Customer Platform!
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.