Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Drift - A messaging app that helps you grow your business.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Slack for Mac - A new, improved Slack desktop app for Mac
GoSquared Live Chat - Beautiful, simple, and free live chat for your website
Whatshelp Widget - Chat with website visitors via popular messaging apps