Several free game engines are available for Linux users, but programming with them is often less than intuitive. Panda3D is an easy-to-use engine that is accessible enough for newcomers but still powerful enough for the pros at Disney Studios.

Jarnal provides some handy features that make this application more than just a note-taking tool.

Diff finds the differences between two versions of a file. We’ll show you how diff finds changes and matches in files without affecting a system's resources.

Klaus Knopper is the creator of Knoppix and co-founder of the LinuxTag expo. He currently works as a teacher, programmer, and consultant. If you have a configuration problem, or if you just want to learn more about how Linux works, send your questions to: klaus@linux-magazine. com

What is WikidPad? Well, that’s a tough one. The author calls it an “IDE for thoughts,” and although that’s a pretty good description, it just doesn’t really do WikidPad justice. Basically, WikidPad is what you want it to be: a notebook, an address book, a to-do manager, and a desktop wiki.

Small workgroups often rely on email as their primary collaboration tool because many groupware solutions require time and expertise to install and configure, and extensive feature sets can be overkill. Mindquarry collaboration
software aims to solve these problems.

Application development shouldn’t be a chore. We’ll show you how to simplify the development process with the Ruby programming language and the Glade interface design utility.

More is not always better, especially at the command line. Lean text editors such as nano, JOE, and ee fit Linux novices and experts alike.