Crisp Chat - Multi-channel customer support software

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

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

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

csupport - cSupport offers Live Chat support. Ideal for small businesses and Entrepreneurs Worldwide.

LTVPlus - Outsource customer experience teams for your e-commerce brand 24/7 & any language. Scale your customer support through live chat, email and social media