HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Ticksy - Simple, beautiful customer support.
Roby - Refreshingly simple helpdesk for Slack & Teams users
Liveo.Chat - No one wants to talk to bots, chat with your customers
Sidequest for Slack - Create and track personal or support team tasks, 100% inside Slack.