Vial is a Vi-like editor that is designed for editing Lisp code. The final goal is to produce an editor that has Vi/Vim finger feel, and is integrated with Slime for debugging.
Vial is licensed under the zlib license
You might like to try #vial on irc.freenode.net, there might be some project members around.
Right now the only way to get Vial is to download it via darcs
darcs get http://common-lisp.net/project/vial/darcs/vial
Brad Beveridge (main author)