Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
HappyFox Chat - HappyFox Chat is a live chat software for the websites.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Crisp Chat - Multi-channel customer support software
Olark - Real-time chat and monitoring of your website visitors through Google Talk and Jabber.
Pepper - A friendly contact widget for your website