PostCenter - An online help desk to modernise customer service
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Talkus - Chat with your website users from Slack
Chatlio - When you have a business to run, your average instant messaging software just will not do. You need an internal presence upon which your entire team can collaborate on. Read more about Chatlio.
Abhisi - Abhisi provides a helpdesk solution that seamlessly integrates with all communication channels used by the customers.
Crisp Chat - Multi-channel customer support software