Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Brand Embassy - Brand Embassy is social customer service software.
Drift - A messaging app that helps you grow your business.
Sparkcentral - Good old fashioned customer service, delivered in a high tech way
Helpshift - Helpshift is an in-game customer support platform that enables mobile apps to improve customer experience, drive higher ratings and increase retention.
Zendesk Support - Social Customer Support and Help Desk and Ticketing