Talisman Desktop is a desktop manager and shell-replacement for Windows 9x/ME and NT/2000/XP. The program lets users design their own desktops and interfaces or choose from hundreds of downloadable themes, which work either atop or as complete replacements for the default Windows shell.
Unlike Windows XP themes, Talisman Desktop lets you completely customize the Windows interface.

Restorator is a resource editor for translation/localization, customization, design improvement and development. Work with windows resources of applications and its components (PE files).
Restorator allows modifying, adding, and removing resources such as text, images, icons, sounds, videos, dialogs, and menus in .exe, .dll, and .res files.

Allow your visitors to send any image on your site as a postcard. They can even customize the colours and the style, as well as choose their own background music. Like many of the scripts on this site, this is useful for generating traffic to your site, because the card recipient must visit your site to view their card.

Outlook Express Tweaker is a freeware utility program helping fine-tune your
Outlook Express. It allows you to customize settings unavailable in the
standard Options dialog. Besides, OETweaker provides an easy to use
interface to the Blocked Senders list

Tweak Win XP with Optimum XP! It's so easy to accelerate, secure and customize XP Home or Pro with over 150 powerful tweaks and hidden Registry settings. The easy-to-use interface has descriptions right next to each tweak.

Optimum XP will optimize your CPU, RAM, hard drive, Internet speed, network, security, privacy, Windows, Internet Explorer, Office, cheat at Hearts and much more! It uses minimal system resources and is very user friendly.

NextSTART is a powerful, skinnable, and dynamic pop-up menuing system and task management utility that can be used as a replacement or supplement to the Windows Start Menu. NextStart also offers an incredible amount of flexibility so that the user can customize it to his needs and tastes.

MyPendrivePRO enables extended autorun functions for all removable drives, like starting portable apps directly at drive connection. It offers enhanced automatic backup functions, allows you to easily customize the drive label, icon and context autostart menus and is highly customizable. MyPendrive has the exclusive "DriveAutoStart" function, that can start the programs directly from the removable drive, without user actions, at drive connection.

MyPendrive enables extended autorun functions for USB drives, like starting portable apps directly at drive connection. Version 2.0 offers enhanced automatic backup functions, allows you to easily customize the drive label, icon and context autostart menus and is highly customizable. MyPendrive has the exclusive "UsbAutoStart" function, that enables to start the programs directly from the USB pendrive, without user actions, at drive connection.

Icon Changer is a software application that makes changing icons on the desktop fun and easy. It's a hassle-free way to personalize your desktop without having to open up any computer manuals. Simply click the icon you want to change, point at the one you like and that's all. Change icons to make navigation easier, to group similar applications together, or merely to customize and spice up your desktop. Try it!

IE Guardian allows you to customize Internet Explorer (IE), protect your IE settings against changes and block those annoying pop-up windows from appearing.

It allows you to disable the ability to change your web browser settings, restrict access to toolbars, menus and Intenet Options. Remove ISP branding logo or change your logos.
It gives you total control over your web browser settings and alerts you of any changes to them.

ICL-Icon Extractor is a full-fledged tool for extracting icons from any location on your computer or the Internet. It searches for icons in files, folders, libraries, ZIP and RAR archives and even on websites. Extracted icons are stored along with their source information in special ICC icon collections, where they can be easily sorted. ICL-Icon Extractor also lets you customize standard Windows icons to rejuvenate the look of your desktop.

Folder Color icon set is a must-have for any computer user who has lots of folders and would like to organize them for faster search and quick retrieval. These 36 color coded folder icons is the way to tackle the too-many-same-looking-folders problem. To change color of a folder: Right click the folder > select Properties > click Customize tab > click Change Icon? > select an icon from this icon set > click OK > click Apply > OK...

CustomIcons allows you to change standard Windows icons and customize desktop attributes. You can easily replace, colorize and save the icons Windows uses to display various objects - My Computer, Recycle Bin, Internet, Start menu items, drives, system folders, your folders and other. You can also hide or change shortcut overlays. There are also commands that change the desktop icons size and color resolution, rebuild the icon cache.

Customize alerts for the hour, half hour, and quarter hour. You may have the computer speak the time, play a sound file of your choice, play the standard alert sound, do nothing, or pick a folder and let your Mac pick the sound for you!

Customize Google for IE (CG4IE) is an Internet Explorer extension that enhances Google search results by adding extra information (like links to Yahoo, Ask Jeeves, MSN etc) and giving the user more power over Google interface and security settings.

Customize Google for IE is an open source project inspired by and based on the CustomizeGoolgle Firefox extension.

Enhance Internet Explorer with number of tricks: quick links in tray, quick start new URL or email from clipboard, customized web search in Google and Yahoo - just type to search, unwanted windows and popup killer, automatic proxy management system, quick IE properties manager, IE toolbar skins and other internal IE customization options.
Additionally: limit number of IE at desktop, protection exit and settings with password, language support

Addon for internet explorer: IECount limits number of ie at desktop, stops popups, limits number of internet explorers at desktop, start clipboard URL or email by double click in tray, quick sets favorite internet browser's properties, performs search in 10 best engines(Google, Yahoo), changes proxy settings with given list and time interval.
IECount is a set of useful ie tips and tricks to simplify your internet surfing!