Studli is a project mainly written in Common Lisp, it's free.
StudIP Client for the University of Passau
It is written in Common Lisp, and tested on SBCL 1.0.50
You need to have the dependencies loaded.
Then load the studli file and hack away on the REPL.
ASDF system description is available
you need a ".studlirc" file in your home directory which should contain at least: (defparameter username your-username) (defparameter password your-password)
call (get-seminar-details) then select which seminar to get description of a seminar print-seminar-details encodes the html-format to string
call (get-seminar-news)