Jon,
tsoap and soap-gateway packages are avalaible from cvs. You could get them using this cvs commands under your install packages diretory:
# cvs -z3 -d:pserver:mailto:anonymous@cvs.openacs.org:/cvsroot co -d soap-gateway openacs-4/packages/soap-gateway
# cvs -z3 -d:pserver:mailto:anonymous@cvs.openacs.org:/cvsroot co -d tsoap openacs-4/packages/tsoap
\Orzenil
