Excel like UI with in-place editing and issue creation

You can edit all the cells (issue fields) inline

Excel like filtering and sorting

You can filter and sort without JQL knowledge just like in MS Excel

No. of Comments and Attachments columns

You can see the number of Comments and Attachments for an issue

Data bars

With data bars, you can visualize your numeric columns

Copy-paste issues and values

You can copy paste values or even whole issues internally and also to/from MS Excel

Average/Count/Sum of the selected cells

Average/Count/Sum of the selected cells

Column renaming and resizing

You can rename and resize any column

Column freeze

You can freeze columns

Tab coloring

You can color the title of your workbooks

Flag rows (like in MS Outlook)

You can flag issues like in MS Outlook

Aggregates row

See the Minimum, Maximum, Average or Sum of each numeric column

Open comments/attachments faster

Double-clicking will automatically open the right section of the sidebar.

Hide/show columns

Every user can have a unique view of their workbooks

Workbooks grouped by owners

This will help you to find your workbooks faster