InVision + JIRA - Pair an InVision prototype with any JIRA issue
Slack Jira Integration - Easily keep issues moving right from Slack
Timeneye - Time Tracking Software for Teams and Freelancers
Agile Docs - Interact with Jira like a Google Doc
Marvel for JIRA and Confluence - Embed designs & interactive prototypes into JIRA+Confluence
Hours - Boosting productivity through live, virtual co-working.