LispCMS is about things like a virtual file system, sessions, users, an admin interface, and easy form making. See the docs for examples.
Currently, it only runs on CMUCL, but most of the code is written portably.
There is a download page with tarballs, .debs, and (for non-linuxers) a livecd.
A very brief assessment of all web frameworks listed in cliki was carried out in September 2010. This assessment comprised: check websites, download source if available, attempt to compile, review documentation.
The review found that, to quote the web site, 'Het project is nog wel even in alfa-fase' (it's still in alpha phase).