Thanks for these answers ! I think that, due to the lower requirement of web services with XML (no need to syntaxe checking for example, we assume that the XML responses sent by the remote server are well formed), the XML parser could be a wrapper of an existing library. I post my project proposal. I focus it onto the core components of Services Kit (i.e : correct HTTP and FTP requests handling, XML and JSON parsing and creation) as I have only a few idea of the time to allocate to each goal .. I made a more readable Google Documents : http://bit.ly/aIQ5vL. -- Christophe Huriaux