ZuluPad is a notepad on crack. It's a place to jot down class notes, appointments, to-do lists, favorite websites, pretty much anything you can think of. The great thing about ZuluPad is that it combines the best parts of a notepad with the best parts of a wiki, a concept made popular by Wikipedia . The basic idea has been called a personal wiki or a desktop wiki. Say for instance, you're a music major, and you're studying Bach. You've taken notes on Bach in ZuluPad, and after a long 16 weeks have finally completed the semester. Sometime after the summer break, you're taking notes on Beethoven, and your teacher mentions a way in which Beethoven was influenced by Bach. As soon as you type "Bach" into your notes, it's underlined as a hyperlink. You think to yourself, "oh yeah, I know a few things about Bach". So you click the link, and you can read all of your Bach notes. While you're reading your Bach notes, you happen to notice a link to a page about Henry Purcell, and you can refresh your memory about him, too.
Windows, freeware, http://www.gersic.com/zulupad/index.html