Hello everybody!
I'd like to introduce
TinyOPDS server: a lightweight, simple and effective, open source OPDS server, written on C#.
Project home page:
https://tinyopds.codeplex.com
Supported languages: English & Russian
Supported ebook formats: fb2, epub (and these formats in zip archives)
Sorry, there are no English "howto"/wiki/FAQ - I'm very short in time now (and - helpers wanted!). Also, developer's guide and planned features will be published soon.
However
TinyOPDS is a really "one click" solution, so I don't expect much questions "how to use it?"
Enjoi!