Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Outbound Apps by Intercom - Embed apps right inside your messages

tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page

Semrush App Center - Power your marketing by connecting your apps to Semrush data

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

Hotline - In-app chat,real-time engagement & self-service for your app