Chat Center - Chat with one click, no matter what messaging app you use
Helpshift - Helpshift is an in-game customer support platform that enables mobile apps to improve customer experience, drive higher ratings and increase retention.
Hotline - In-app chat,real-time engagement & self-service for your app
LiveMessage from Salesforce - Make mobile messaging a cornerstone of customer service
Outbound Apps by Intercom - Embed apps right inside your messages
UserCare - UserCare is customer service software that helps companies deliver customer service by blending support, CRM and data analytics.