gleem

R-name - for renaming batch files, this is the best
I-view - trust me, you need it for work files, like iphoto but with batch changes/edit/rename features
Fetch- Best FTP client, although I end up using other slower bulkier clients like netfinder and cyberduck if I need to open a bunch of windows at once or anything in bulk like setting permissions.
TuneUp Great itunes add-on for cleaning your library up and auto adding covers and stuff

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