we have library software up and running at

http://www.socuteurl.com/jiffymeowmeow

problems with it:
its not open source but its free as in beer cos i got it free from my job at oclc
logins have to be numeric, you know like a real concrete libraries would do
-solution you can always just use 123456, password: 123456
logins can't be registered but have to be created by a staff account which 123456 is.

needs  doing still
create a redirect from library.sudoroom.org
scan all the books, the software is good
create physical lib/membership cards

from now on,
please try and check out your books there (adding the book into the system if necc).

notconfusing