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StumbleUpon Firefox Add-on

This Firefox add-on helps you happen across websites that will interest you.

StumbleUpon

This supreme time-waster and Firefox favorite is now available for Internet Explorer as well.

TinyURL Generator

Create short and sweet TinyURLs with this Firefox add-on.

Shareaholic

A Firefox addon for quickly sharing sites with del.icio.us, digg, Facebook and other services.

Google+ Manager

Firefox add-on Google+ Manager lets you wrangle shortcuts, menus, translation, and more in your browser.

HootBar

The HootBar Firefox add-on is a convenient tool for tweeting via your browser's address bar.

Facebook Toolbar

Indulge your Facebook addiction with this Firefox toolbar.

Twitter Search

Watch one particular Twitter feed or hashtag in your Firefox browser bar.

TeraCopy Pro

TeraCopy is a compact program designed to copy and move files at the maximum possible speed, also providing you with a lot of features: * Copy files faster. TeraCopy uses dynamically adjusted buffers to reduce seek times. Asynchronous copy speeds up file transfer between two physical hard drives. * Pause and resume file transfers. Pause copy process at any time to free up system resources and continue with a single click. * Error recovery. In case of copy error, TeraCopy will try several times and in the worse case just skips the file, not terminating the entire transfer. * Interactive file list. TeraCopy shows failed file transfers and lets you fix the problem and recopy only problem files. * Shell integration. TeraCopy can completely replace Explorer copy and move functions, allowing you work with files as usual.

nfsDiscoBall3D

Get your groove on with this realistic 3D Disco Ball screen saver.

nfsDiamond

This free screen saver puts a waterfall of sparkly diamonds on your desktop.

The Future of Apple After Steve Jobs

What tests face Apple now that Steve Jobs has announced that he’s stepping down as CEO?

Lenovo IdeaCentre B520 First Look Video

The Lenovo X is a 3D-capable All-In-One desktop that's easy on the eyes but weak when it comes to performance. Join PCWorld Desktops Editor Nate Ralph as he journeys down to the PCWorld Lab for an intimate hands-on look.

AquaSnap

Snap and rearrange windows--even on older systems--with this replacement for Aero Snap and Aero Shake.

Sizer

This freebie lets you resize windows to specific dimensions, and save frequently used sizes.