an Excel-like view of their issues
an Excel-like way of creating and editing issues
importing and exporting their issues from/to MS Excel
copy-paste (also to/from MS Excel/Notepad)
an Excel-like way of filtering and sorting issues (without JQL knowledge)
seeing the Average/Count/Sum of the selected cells
column renaming
column freezing
tab coloring
row flagging
So, JExcel is basicly for anyone who has to deal with issues in JIRA.
If you like our features, don't hesitate to use them!