Top Five Alive [coolest apps]:

Mozilla Firefox - Browser

The premier free, open-source browser. Tabs, pop-up blocking, themes, and extensions. Considered by many to be the world's best browser.
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Adium

Connect to multiple IM accounts simultaneously in a single app, including: AOL IM, MSN, and Jabber. Beautiful, themable interface.
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Senuti

Get music off of your iPod onto any computer.
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Audacity

Simple sound recording tool.
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Cyberduck

Very good all-around ftp program.
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