Simple Sticky Notes
Simple Sticky Notes lets you create sticky notes on your PC. They're just like the Post-it notes that litter people's offices--but more private and not so unsightly. It's incredibly easy to create them. Double-click the program's icon in your system tray, and it creates a note for you. Type in what you want to remember, and you're done. You can drag the note to any spot on your desktop.
Easy as it is to use, Simple Sticky Notes has plenty of options. Want to change the font or the font color? You can do that, as well as making the text bold or italic. How about changing the note's color? Yes, you can do that, and you can also change the transparency of it as well. You can also hide the notes, print them, and even automatically send their text via e-mail.
Overall, Simple Sticky Notes is straightforward and simple to use, and it won't waste your time. And since it's free, it won't waste your money, either.
Note: This program is donationware. It is free to try, but the author accepts and encourages donations towards further development.