Slack Jira Integration - Easily keep issues moving right from Slack

Halp - Slack-first ticketing for internal helpdesk

JXL for Jira - The power of Jira with the familiarity of spreadsheets

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

InVision + JIRA - Pair an InVision prototype with any JIRA issue

Roby - Refreshingly simple helpdesk for Slack & Teams users