MTA SZTAKI LPDS is maintaining a Public gUSE Portal that is updated by every release. If you wish to try out the WS-PGRADE/gUSE portal service you can obtain account for the Public gUSE Portal.
The WS-PGRADE Portal, developed by Laboratory of Parallel and Distributed Systems at MTA-SZTAKI, Hungary is a web portal of the gUSE, grid and cloud User Support Environment. It supports development and submission of distributed applications executed on the computational resources of various distributed computing infrastructures (DCIs) including clusters, service grids (ARC, gLite, Globus, UNICORE), BOINC desktop grids and Google App Engine cloud.
The public gUSE portal can be accessed at https://guse.sztaki.hu.
More information can be found at http://guse.hu
The sourcecode can be downloaded from http://guse.sourceforge.net/