I want to ask for your help in my study.
For my study, I want to do a "deep dive" on usability in open source software. After speaking with several "thought leaders," my thinking now is that it's better to do a case study, a usability critical analysis on an open source software program that has good usability. The results will be a discussion about why that program has good usability, and what makes good usability, so that other open source programmers can mimic the good parts.
I'll also discuss what features are not good usability examples, so programmers can avoid those mistakes. But the focus will be more on the good and less on the bad.
Picking the right open source program is a tricky thing. The ideal program should be not too big (for example, very complex menus can "lose" the audience in the details) but neither should it be too small (a trivial program will not provide as valuable of results). The program should be approachable by general users.
There's no reason the program needs to be a Linux program. However, I prefer that the case study be of an open source program. Many open source programs also exist for Windows and MacOSX.
So, what open source program would you suggest for the case study? Leave your suggestions in the comments: