Trello for Slack - Organize anything with anyone, inside Slack
Roby - Refreshingly simple helpdesk for Slack & Teams users
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Actions from Slack - Turn Slack messages into tickets, issues, tasks, and more.
Sidequest for Slack - Create and track personal or support team tasks, 100% inside Slack.
Sortd for Slack - Get Trello-style project boards right in your Slack!