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In Ajax File Browser you can customize panels visibility and broadly customize grids.
See Panels Customization for more details.
You can add custom columns that display custom properties or almost any other custom data in Files Panel. As well as you can hide any columns, change size, style, change column headers, columns order and resize mode.
You are free to customize each folder individually. Navigate to any subfolder in this demo to see the difference comparing to root folder.
When navigating to a folder you can cancel navigation. Click on the '/Library/' folder to see the navigation cancelation.
You can also hide folders in Files Panel.
See Grids Customization for more details.