Any Password is an easy-to-use tool that lets you store and arrange all your passwords, user IDs, and related information in a tree form. The program saves this information in encrypted files which can be protected by a password. 

Iconoid is a small utility that hides desktop icons. When your cursor is over your applications, Iconoid will hide the desktop icons, but when you move the cursor back to the desktop, the icons reappear. Ability to make the desktop icon text background transparent.

Memento A simple but great program to provide post-it style notes on your desktop.

NotAgain is a small program to start programs. It offers you a menu with your commands from the system tray icon. I use NotAgain for instant access to drives I have listed individually to eliminate using Windows Explorer.

Rainlendar is a very customizable calendar that resides on your desktop and shows the days of the current month. The calendar can be customized to fit your taste (and theme). You can use different fonts and colors, select the background image or just use copy of the current wallpaper. You can also set events.

Startup Control Panel by Mike Lin lets you control what programs are loaded when your computer is started.

Tclock2 is the ultimate Windows Taskbar and Desktop enhancement tool. Allowing you to customize the clock text, flatten various parts, skin various parts and customize the desktop as well.

TimeUp is an internet timer. Keeps track of time on-line and can show total time and amount for the month, week, today or for a period starting on a particular day. It can also synchronize your system clock. The free version has a unobtrusive ad.

Weather Watcher is your personal Windows desktop weather station. Automatically retrieve your local weather from  the Internet and store it in your Windows system tray. With one click of your mouse button, the most current weather information is in your view.

 Web Shots Huge selection of fantastic photos from around the world that you can download for free (limited selection). Go for the starter collection and put it to use as a changeable wall paper and screen saver.

Wonderful Icon A small utility that creates an icon on your task tray. Assign hotkeys for common tasks (minimize windows, restart Windows, launch programs, etc.) Lots more!