Here are some programs for Windows XP.

7-Zip - Open source Windows utility for manipulating archives. Formats 7z, ZIP, GZIP, BZIP2 and TAR are supported fully, other formats can be unpacked. Alternative to WinRar or WinZip. Download 7-Zip.

Foxit Reader - a free PDF document viewer, with incredible small size, breezing-fast launch speed and rich feature set. Alternative to Adobe Reader and Adobe Acrobat. It allows to add notes - just install the Foxit toolbar (you can hide it if you do not want to use it). Download Foxit Reader.

FileZilla -  Open Source (GNU/GPL) FTP client for Windows, Mac OS X and GNU/Linux. Download FileZilla.

Mozilla Firefox - an Internet Browser. The Firefox Web Browser is the faster, more secure, and fully customizable way to surf the web. Download Firefox.

MS Word - text file editor necessary for translating .doc files in Trados. Microsoft Word.

OpenOffice.org - the leading open-source office software suite  for word processing, spreadsheets, presentations, graphics, databases and more. Alternative to MS Office - Word, Excel, Power Point. Download OpeOffice.org.

SDL Trados - Translation Memory, Terminology Management and Software Localization. This is a CAT tool. SDL Trados.

Skype - Free calls, video calls and instant messaging over the internet. Plus great value calls to phones anywhere in the world. Download Skype.

GIMP -  The GNU Image Manipulation Program. Download GIMP.

QA Distiller - Automated translation quality assurance. QA Distiller.

Winxpvirtualcdcontrolpanel - Free .ISO mount tool from Microsoft. winxpvirtualcdcontrolpanel Source: http://support.microsoft.com/kb/916902

Additional Programs

Browsers

Google Chrome - a new web browser for Windows. Download Google Chrome.

Opera - a web browser. Opera gives you the full Web experience everywhere. Download Opera.

Translation Tools

Transit Satelite PE - The translation memory system. Transit.

Open Language Tools XLIFF Translation Editor - a set of translation tools that comprise of a full-featured XLIFF Translation Editor and a set of XLIFF file-filters for a number of documentation and software file formats. Download OLT Xliff.

Idiom WorldServer Desktop Workbench - provides the tightest integration between desktop translation and WorldServer. It is used only if you get a project from the WorldServer. Download Idiom WorldServerDesktop Workbench.

Web Development Tools

Web CEO - SEO Software by Web CEO (website optimization, submission and promotion software). SEO Software 'Web CEO' includes 12 SEO Tools in One Powerful SEO Suite. Download Web CEO.

PuTTY - a Telnet and SSH client itself. Download PuTTY.

XML Viewer - an xml viewer and editor. Download XML Viewer.

Staff FTP - Staff-FTP is an advanced FTP client. Download Staff FTP.

Other

ABBY FineReader - Intelligent, professional level OCR software for creating editable and searchable files from scanned documents, PDF, and digital camera images. ABBY FineReader.

Nuance PDF - PDF and OCR solutions. Nuance PDF.

BitComet - A free C++ BitTorrent/HTTP/FTP Download Client. Download BitComet.

Daemon Tools - an optical media emulation software. Daemon Tools.

ICQ - a messaging client. Download ICQ.

Nokia PC Suite - Allowing you to take full control of your Nokia device through your PC, Nokia PC Suite makes accessing and using the data on your device simple and easy. Download Nokia PC Suite.

Tight VNC - VNC-Based Free Remote Control Solution. Download Tight VNC.

UltraEdit - a text editor, hex editor, PHP editor, HTML editor, programmers editor. UltraEdit.

VoipDiscount - Free calls and SMS. This is the cheaper telecom provider - add funds and make local or international calls. SIP and phone-to-phone function supported. Download VoipDiscount.

BS.Player - the best multimedia player (DivX, HD and AVC video, movie, audio, DVD, YouTube) in the world! Download BS.Player.

WinAmp -  manage and play audio and video files,  rip and burn CDs, enjoy free music,  access and share your music and videos remotely, and sync your music to your iPod, Creative, and Microsoft Plays for Sure devices. Download WinAmp.

Adobe InDesign - a desktop publishing (DTP) software application which can be used to create anything from posters, flyers, and brochures to full magazines or books. Adobe InDesign.