POJ - Microsoft Project and Atlassian Jira integration. With this program you can import and update tasks in MS Project from the Atlassian Jira.

JiraBrowser - Jira Issue Tracker Plugin for TortoiseSVN to Jira - allow select issues as comment from TortoiseSVN when you commit changes. The list of tasks is loaded from Jira. Can be used in MS Visual Studio, together with VisualSVN