CLikiCLiki is a free collaborative hypertext authoring program, written in Common Lisp. Modelled on Wiki, it's free software using the MIT license. See CLiki's home page for more details. Add feature suggestions on the CLiki Todo.
Also, anyone who wants to contribute to this CLiki hypertext system should understand the Privacy Statement.
Cliki.Tunes.Org, aka CTO, is a CLiki installation based on the CVS release of the original CLiki, plus local modifications and configuration settings, that are available on the Tunes CVS site (see these instructions), and can be used either as an example or as a layered basis for your own installation.