OptinMonster - OptinMonster helps to convert abandoning website visitors into subscribers and customers.

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

OptiMonk - OptiMonk is the most powerful Onsite Retargeting platform, that helps you increase the conversion rate of your site, and get more leads by recovering lost visitors.

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

Growthmysales - Increase e-commerce sales, grow email lists, and engage visitors effortlessly with our 5-minute simple popup builder.

SmoochBot - Open source on-boarding bot for conversational apps