HelpStack - Open Source mobile help framework to support iOS and Android app users.
HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.
KeyReply - Omnichannel keyboard for mobile teams to respond better and faster.
Service - Customer service issues solved for you, on demand, for free.
Helpshift - Helpshift is an in-game customer support platform that enables mobile apps to improve customer experience, drive higher ratings and increase retention.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.