Paolo Corti has written up his introduction to FeatureServer.

So I decided to spend a day for installing and testing [FeatureServer], without thinking of the lack of documentation (FeatureServer is still a young project, so no wonder here if the only way to get infos is digging in the source code and posting to the mailing list). The day I considered to spend on it then spawned to more and more hours that I could imagine, and given my actually very busy schedule at my job, I had to find free hours during the night and the weekend. I then decided to write this post to help people in getting started with FeatureServer in a quicker way that was for me.

FeatureServer isn’t easy, but the effort you take to use it pays off in its flexibility.