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.

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

slalert! - Get notified in Slack when your company/keyword is mentioned

Crisp Chat - Multi-channel customer support software

Talkus - Chat with your website users from Slack

Crisp Livechat - The most modern experience to talk to website visitors