OptKit - Real-time conversion optimization platform.

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

User.com - A marketing automation platform to enhance personalized communication and streamline business processes. Improve sales, customer success, and marketing processes with a single automation tool.

JivoChat - JivoChat is a live chat that enables you to talk to visitors on your website

ClickMinded - The ClickMinded SEO training course is designed to teach marketers, agencies & entrepreneurs how to massively grow their organic traffic and sales as quickly as possible.

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