Gainsight has world-class customer support. They have online chat that is the best tool for support and the team members are really responsive and extremely knowledgeable. They at times get on the call and do Webex to fix issues.
Easy to setup, tons of online tutorial resources, and a great and helpful Gainsight community. Early indicators of churn risks, great CTA/reports, and a great renewals process. Great customer support, actually one of the best.