Swazoo is an open source Camp Smalltalk project hosted at http://sourceforge.net/projects/swazoo/. The Dolphin version has modified the original code.
Swazoo is released under a GNU Lesser General Public License (LGPL) . Information on this license can be found at http://www.gnu.org/copyleft/lesser.html.
The Camp Smalltalk Swazoo team was; David Farber, Janko Mivsek, Ken Treis, Mark Schwenk, Joseph Bacanskas, Benny Sadeh, Claus Gittinger, Jan Barger , Nick Melnikov. Apologies if I have missed anybody.
Jerry Bell did the original Dolphin port, and modifications have been made by Steve Waring.
Dolphin Smalltalk is by Object Arts