Design & Usability Reading
This is a list of articles related to the design and usability of GNOME and open source software. Feel free to update the list as required.
"A complex system that works is invariably found to have evolved from a simple system that worked. A complex system designed from scratch never works and cannot be patched up to make it work. You have to start over with a working simple system" -- Gall's law
Blogs and magazines
Coordinating usability testing in Free Software - Jan-Christoph Borchardt
Usability Discussions in Open Source Development - M.B. Twidale & D.M. Nichols
The Usability of Open Source Software - D.M. Nichols & M.B. Twidale
Free Software User Interfaces - Havoc Pennington