SOAP toolkit

PHP 5.x

http://freshmeat.net/projects/soap_toolkit/

Perl

http://www.soaplite.com

Visual Studio .NET (VB.net, C#)

Native SOAP-client
http://soa.sys-con.com/node/39517

Python

http://pywebsvcs.sourceforge.net/

Other goodies

http://www.soapclient.com/
http://www.soapclient.com/SourceCode.html