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

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

ChatWoot - Open-source omnichannel customer engagement platform

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

HelpCrunch - HelpCrunch Live Chat: Turn prospects into customers, drive sales and improve retention with a rich toolbox combining modern live chat, in-app messenger, email marketing, CRM and marketing automation.

Live Guide - Live chat for websites is online communication with your visitors. Secure live chat solution that can be tailor-made to fit your requirements.