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

Twilio Studio - Accelerate your customer engagement roadmap

ChatWoot - Open-source omnichannel customer engagement platform

Incoming Feedback by Hotjar - Instant visual feedback for your website or app!

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

Froged - One click solution providing easy-to-use marketing, sales and support services to turn website visitors into happy customers.