ProgressBarXP
ProgressBarXP™ is the XP style progress bar control for Visual Basic. You can now have the XP Luna style even if you aren't running on Windows XP. Several drawing styles are available. There is an XP Luna style that works on all Windows platforms (not just XP), as well as more traditional thick... ProgressBarXP is also the only control available that properly draws progress bars in any XP Visual Style, even third-party styles. ... ProgressBarXP fully supports Unicode text, tooltips, and right-to-left reading modes, so you can be sure your software is international-ready.
http://www.teebo.com/Downloads/Demos/ProgressBarXPDemo.msi - 1Mb - Download - Screenshot

xp and mac style icons Free
100 XP style icons for your web and software projects. Each icon is available in four different sizes and six different extensions. Sizes: 48x48, 32x32, 24x24, 16x16 pix. File types:PNG,TIFF,BMP,GIF,ICO,ICNS; (32 & 8 bits) Specially designed for software and web developers and adaptable to...
http://www.iconshock.com/downloads/Iconshock_sample.zip - 10Mb - Download - Screenshot

Business Icons Collection (XP)
The Business Icons Collection (XP) is a set of general-themed XP Style Icons for use in software development and user-interface-design. It is one of many xp icon sets offered by VirtualLNK, LLC. Each icon is inspired by the vibrant look and feel of the Windows XP operating system. ... Users will be pleased to find high-demand concepts such as application basics, devices, documents, and other essential icons. ... Those looking for a wide-variety of business application icons will be well served by this elaborate and carefully-designed icon library.
http://www.virtuallnk.com/shareware/downloads/business-icons.zip - 11Mb - Download - Screenshot

AddXP
AddXP make available Windows XP visual styles to old programs. While using Windows XP you can like new XP looking software but not all programs support it. With AddXP, you can enable the new look to old-time created software and enjoy nice view of all your programs.
http://www.3SWare.com/download/AddXP.exe - 470Kb - Download - Screenshot

Stock Icons - XP and MAC style icons free
Original and professional stock icons for your web and software projects. Each stock icon is available in four different sizes and six different extensions. application icons, business icons, corporate icons. Specially designed for software and web developers and adaptable to multiple...
http://www.iconshock.com/downloads/Iconshock_modernSample.zip - 488Kb - Download - Screenshot

XPepius
XPepius is a tools suite for tweaking, optimizing, tuning and cleaning of Windows XP. It helps you increase performance and manage your system using 450+ tweaks and 5 utilities. In addition to the tweaks, the program also offers several tools (Utilities) that include a Start-Up Manager,... XPepius highlight features: - Various tweaks to System, Windows, Explorer, Start menu, Desktop, Files, Drives, Control Panel and more; - Tweaks to Enhance your security and privacy; - Tweaks for Internet Explorer, Windows Media Player and Microsoft Office; - Tool to edit registered application paths...
http://www.delphipages.com/uploads/utilities/xpepius_setup.exe - 750Kb - Download - Screenshot

Control Icon Collection
Control Collection 68 Unique Graphic Unit Software Developer , Web Developer and Professionals for world most enhanced high quality Control icon Collections. Control Collection is specifically designed for software that needs to display an icon of a particular Windows control and more..
http://www.horizonum.com/download/control.zip - 29Kb - Download - Screenshot

Database Icon Collection
Database Collection 142 Unique Graphic Unit Software Developer , Web Developer and Professionals for world most enhanced high quality Database Collection. Database Collection contains images designed specifically for database applications and more..
http://www.horizonum.com/download/database.zip - 36Kb - Download - Screenshot

Object Icon Collection
Object Collection 72 Unique Graphic Unit Software Developer , Web Developer and Professionals for world most enhanced high quality Object icon Collections. Object Collection contains generic bullet, shape & arrow symbols and more..
http://www.horizonum.com/download/object.zip - 19Kb - Download - Screenshot

Multimedia Icon Collection
Multimedia Collection 112 Unique Graphic Unit Software Developer , Web Developer and Professionals for world most enhanced high quality Multimedia icon Collections. Multimedia Collection is designed specifically for image, audio & video applications and more.. ... Vista , Xp Style 448 Bmp Unit 672 Gif Unit 672 Png Unit 784 ico Unit Native Xp Style 448 Bmp Unit 672 Gif Unit 672 Png Unit 784 ico Unit Total File Unit 5.
http://www.horizonum.com/download/multimedia.zip - 29Kb - Download - Screenshot