Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Slack Jira Integration - Easily keep issues moving right 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.
Sortd for Slack - Get Trello-style project boards right in your Slack!
Halp - Slack-first ticketing for internal helpdesk
Actions from Slack - Turn Slack messages into tickets, issues, tasks, and more.