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

Kirby - Kirby is a website for businesses to use to sort contacts and other information. The site is easy to use and features several details for businesses of all sizes.

ChatWoot - Open-source omnichannel customer engagement platform

Folk - The next generation contact manager

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

Elemeno - A modern API based content management platform