How is FreeSoftware written, maintained and supported? Why are developers working on the project?
1. Developers are interested in helping users of their project, because this is how they and their project gain a *reputation*.
2. Other users of the the same project are interested in helping each other, because a healthy community also benefits *them*.
3. People with the necessary know-how are interested in maintaining the software *infrastructure* of the sites they care about.
4. Developers are interested in selling *services* for a fee.