If you're using TiddlyWiki as your note-taking tool, you ought to give TiddlySnip a try. The idea behind this Firefox extension is simple: it allows you to add the currently viewed Web page or selected text snippet to your TiddlyWiki as a new tiddler. But TiddlySnip adds a few clever twists to this basic idea, which turn the Firefox/TiddlyWiki combo into a powerful and extremely useful tool.

While TiddlyWiki is probably the most popular desktop wiki out there, it’s not the only fish in the sea. And if you don’t fancy TiddlyWiki’s approach to managing content, or you are looking for a desktop wiki that can help you to manage not only your notes but also appointments and contacts, then you might want to try Wiki in a Jar.

Cheat sheets for DokuWiki, TiddlyWiki, and OpenOffice.org

While desktop search engines like Beagle and Recoll can quickly find any file on your hard disk, they can't help you organize documents and files into neat and easy-to-manage collections. That's why we have tools like digiKam for managing your photos, BasKet Note Pads for keeping tabs on your notes, and Referencer for filing and tagging your documents.

"Organizing your tasks into projects can help you plan ahead, track your progress, and stay motivated. Working from a project list allows you to plan your day or week instead of just reacting to other people's requests. Keeping your projects and tasks in Org makes it easier for you to review your completed tasks and plan the next step. If you include some text describing why you want to do the project and what your intended outcome is, this can help you stay motivated throughout a long project.

Whether it’s physical sticky notes, text documents you save on your desktop or something else, most of take notes. Reminders to do things or snippets of information you might need later.While the latter method of text documents on your desktop is a way in which you can keep notes on your computer, it’s not all that efficient and useful... Enter Tomboy

Writer’s Tools is a set of utilities designed to help OpenOffice.org users perform a wide range of tasks. Using Writer’s Tools, you can back up documents, look up and translate words and phrases, manage text snippets, and keep tabs on document statistics.

Comic books, DVDs, old vinyl albums, Star Wars figurines -- collecting things is fun. What's not fun, though, is keeping track of it all. Here are five open source collection management apps to help you organize your stuff.

"If you're the kind of person who likes scribbling free-form tasks and notes in your day planner, then Planner might be a good fit for you. In this blog post, I'll show you how to use Planner to organize the things you need to do by the day you need to do them, check the things you need to do, mark tasks complete, and review what you've finished. I assume that you've already got GNU Emacs 22 installed and that you're comfortable with using Emacs as a text editor, although it might not yet be your way of life. (Just you wait! Planner was the thing that pushed me over the edge. ;) ) ..."