Sherlock - Sherlock provides insights on user engagement for product makers.
Outbound Apps by Intercom - Embed apps right inside your messages
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Hotline - In-app chat,real-time engagement & self-service for your app
Helpy - The spread of the covid-19 slows down with Helpy
Semrush App Center - Power your marketing by connecting your apps to Semrush data