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

Carrd - Simple, responsive one-page site creator.

SmoochBot - Open source on-boarding bot for conversational apps

Straw.Page - Drag and drop site builder that works on phone

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

Bubble.io - Building tech is slow and expensive. Bubble is the most powerful no-code platform for creating digital products.