Here's how to get ikiwiki. See setup for how to use it, and be sure to add your wiki to IkiwikiUsers if you use ikiwiki.
tarball
The best place to download a tarball of the latest release is from http://packages.debian.org/unstable/source/ikiwiki.
Debian package
If using Debian unstable or testing:
apt-get install ikiwiki
Or download the deb from http://packages.debian.org/unstable/web/ikiwiki.
While this deb has been developed on Debian unstable, it should also work on stable, although to get the CGI stuff working on stable, you will need to upgrade to a newer version of libcgi-formbuilder-perl, 3.02.02
.
subversion
The current development version of ikiwiki can be accessed using subversion at
svn://svn.kitenet.net/ikiwiki/trunk
The source in subversion can be browsed with viewcvs.
If you would like to be subscribed to svn commit messages for ikiwiki, mail joey@kitenet.net.