I want to create a tree structure like website, something like this http://www.ari-soft.com/docs/ariquiz/html/ARI_Quiz_UserGuide.html On the left side, people can navigate and click on any topic. On the right side content appears. Can anyone suggest me which CMS or software to use. It should be free.
Are you needing to run actual quizzes? off the top of my head there are likely better ways to do that. That is pretty old school looking. That said, you should be able to do this with wordpress without much issue. Nigel