7-Zip
7-Zip is a free file archive manager that supports many different formats, including ZIP and RAR.

Audacity
Audacity is a free sound editing and recording application.

AVG Anti-Virus
AVG Anti-Virus Free Edition is an anti-virus application that rivals commercial version such as Norton.

Blender
Blender is a 3D modeling and animation program.

Deluge
A lightweight cross-platform BitTorrent application that has plugin support.

FileZilla
FileZilla is a cross-platform FTP client that supports secure file transfer.

Firefox
Firefox is an excellent free browser that provides a much more secure and friendly browsing experience that Microsoft Internet Explorer.

Foxit Reader
Foxit Reader is a lightweight alternative to Adobe's Acrobat PDF reader.

GIMP
GIMP (The GNU Image Manipulation Program) is a free image editor similar to Photoshop. It can be used for things like photo retouching, image composition and image authoring.

Google Earth
Google Earth combines satellite imagery, maps, terrain and buildings onto a 3D globe that you can move around.

Google Pack
A one-stop software package that helps you discover, install, and maintain a wide range of essential PC programs.

Handbrake
Handbrake is a DVD ripping application, allowing you to convert a DVD to a video file.

Inkscape
Inkscape is an open-source vector graphics editor similar to Adobe Illustrator or Corel Draw.

Miro
A video player with access to over 1000 Internet TV channels.

NVu
A complete Web Authoring System that rivals programs such as FrontPage and Dreamweaver.

OpenOffice
OpenOffice is a free and full featured alternative to Microsoft's office suite.

Opera
An award winning free Web browser that is a very fast and feature packed.

Paint.NET
A fully featured but easy to use image editing application.

Picasa
Picasa is a free application from Google that lets you organise and share your digital photos.

Pidgin
Pidgin, formerly known as Gaim, is a multi-protocol instant messenger client, working with Yahoo IM, AIM, Google talk, MSN and others.

SciTE
A feature packed text editor with many advances features for programmers.

Scribus
Scribus is a Desktop Publishing (DTP) application which can be used to create professional quality documents.

Skype
Skype allows you to make phone calls from your computer - to other skype users for free, and very cheaply to phones and mobiles.

Thunderbird
Simple and lightweight email and news application.

VLC media player
VLC is a media player that supports many different audio and video file formats.

WinSCP
A simple FTP and SFTP client for Windows.

µTorrent
µTorrent is the most popular BitTorrent P2P application for windows.