SSWAP (Simple Semantic Web Architecture and Protocol; pronounced "swap") is an architecture, protocol, and platform that uses reasoning to semantically integrate disparate data and services on the web. Running live at http://sswap.info.
Opal is a toolkit for wrapping scientific applications as Web services on Cluster, Grid and Cloud resources with ease. Users may access these software as a service using simple Web service APIs from their custom application and workflow environment.