Outbound Apps by Intercom - Embed apps right inside your messages
HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.
Hotline - In-app chat,real-time engagement & self-service for your app
Service - Customer service issues solved for you, on demand, for free.
Semrush App Center - Power your marketing by connecting your apps to Semrush data
HelpStack - Open Source mobile help framework to support iOS and Android app users.