Vexi is a rich GUI platform for creating desktop-like Internet or intranet applications using an intuitive XML/JavaScript API and an extensible widget set with themes, JSON support. Communicate with servers using XMLRPC/SOAP/REST and runs on Java.
MonoOSC is a project composed of two parts. A CSharp, C#, library used to access the openSUSE Build Service, OBS. The second part is a nice GUI which uses this library. MonoOSC requires the Mono >= 2.1 version of the distribution.
Xml4ipl is a light weight Internet protocol focused on a very simple Machine-To-Machine communications (m2m) solutions. It allows small devices and computer software to send collected or generated data to any server on the Internet.