This forum is closed to new posts due to low activity and a deluge of spam. It is kept online as a static historical record. If you want to read about or discuss esoteric programming languages, the Esolang wiki is the place to go. An archive of the forum is available.
2 out of 3 languages listed as "Concurrent" are now "Implemented" <a href="http://esolangs.org/wiki/User:JayCampbell/weave.rb">weave.rb</a> handles both Weave (start multiple brainfuck threads at init) and Brainfork (fork threads any time) and both at once.