IndySoap is a Open Source Library for implementing Web services using Borland Pascal Compilers. IndySoap isn't tied to Indy for transport services, though Indy based transport services are included.
RPC and Doc|Lit support
Soap using Interfaces
Extensively DUnit tested
many other things
There is a email list for IndySoap: IndySoap mailing list
IndySoap is released under the same license as Indy itself. See the Indy Licence page for further information