The Linux Console Project
http://linuxconsole.sourceforge.net
The Backstreet Ruby home page
http://startx.times.lv/
XFree with support for the new input layer by Zephaniah Hull
(seems the patches are obsolated, and were removed from the site)
http://people.debian.org/~warp/evdev/
Miguel Freitas' page on multiple local XFree users
http://cambuca.ldhs.cetuc.puc-rio.br/multiuser/
Russian multi-terminal project Gorinich
http://www.ctc.msiu.ru/zg/main.html
Step by step instructions by Jean-Daniel Pauget
http://disjunkt.com/dualhead/
Multi-seat XFree solution under Linux with framebuffers, by Frode Trydal
http://www.itsopen.net/projects/x-hack/