Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
AnswerConnect - 24/7 Live Call Answering Service
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
HelloSells - Putting You in the Lead.24/7 Lead qualification service for sales & marketing teams. Boost your conversion rate & improve your ROI with lead capture, qualification & appointment booking.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Bitrix24 Live Chat - Bitrix24 Live Chat is a website that can set up a live chat widget for your website or public page and gives you high-quality customer support in real-time.