Jacek Balcerski, Poland Working for University in Warsaw. I am application admistrator. Application is big web based system written in C and managed by Ruby.It is based on Postgres and used for sharing content to students and lectors, managing documents, rights, accouts, mail, money flow etc etc and much more. I also wrote SCORM 1.2 LMS inside the system, and some Scorm course scripting helpers, of course in Ruby:). Right now I''am writing system for Control and Cybernetic, Issue of Polish Academy Of Sience. Web based part is bassed on Rails :) Cheers, Jacek