Are you looking to Integrate Jira with GitHub issue tracker?
Exalate is the most complete & flexible synchronization tool on the planet for issue trackers and task management systems. Including GitHub and Jira.
With the Exalate sync tool you can experience an intuitive collaboration between teams using Jira and GitHub by synchronizing issue data automatically across your instances.
sync issue types, labels, priority, status...
sync any custom fields, attachments...
sync comments, worklogs, history...
Sync title, issue body, comment...
sync users, assignees...
Sync milestones, close, created date...