I needed to make a private folder in SmallWiki, for
students but also for me and other participants at the
wiki. I developped an extension of SmallWiki that
allows to create personal and private
folders/pages/resources and manage (private) users.
AFAIK this is already possible with SmallWiki:
Root-Folder (anonymous: #( view edit ))
Read/Write-Subwiki
Readonly-Subwiki (anonymous: #( view )
Private-Subwiki (anonymous: #( ))