GitIssuesReportGenerator allows you to create a report of issues in accessable repository and then export it with all of valuable information.
This application will save you hours of work spent creating reports.
Using this app you can fast and easily collect neccessary information about issues in github repository according to applied filters.
You are able to change filters like:
related branches,
assignees,
milestone,
created date from and date to.
The app allows you to export everything into CSV or XLS.