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.
Crisp Chat - Multi-channel customer support software
Mutiny - Personalize your website for each visitor
Pepper - A friendly contact widget for your website
Scup Care - Bye bye old tickets, modern messaging has met customer care