Slack Jira Integration - Easily keep issues moving right from Slack
JXL for Jira - The power of Jira with the familiarity of spreadsheets
GanttPRO - GanttPRO is online Gantt chart software for project management. CEOs, project managers, and teams use it every day to solve project management challenges.
InVision + JIRA - Pair an InVision prototype with any JIRA issue
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
Garage by Fueled - Just shake your phone to report bugs directly to Jira