EzWeb it´s an open source reference implementation of standard technologies for the front-end web access layer in next-generation SOA.It's

• An Advanced Operating Environment.
• An Advanced Composition Framework.
• A Resource Catalogue and Marketplace.
• A Knowledge Capture and Exploitation.
  

Advanced Operating Environment.

• User become part of the development lifecycle.
• They create and personalize their own operating environment by self-servicing from a universe of available resources.
• Web 2.0 principles and technologies are usedin order to offer flexibility and universal access. 

Advanced Composition Framework.

• No programming skills needed to perform basic application composition. The platform implictly solves connection between gadgetds and assist end-users in correlating gadgets with data source resources.
• Ability to incorporate gadgets developed by advanced gadget authoring/development tools (e.g. FAST).
• Semantics of resources and context are exploited to guide process. 

Resource Catalogue and Marketplace.

• User can discover and select the resources that best fit their current needs.
• Different business models are supported: paid by effective service usage, sponsored by commercials,...
• Ultimately the catalogue is a space where the resources can evolve through. 
  

Knowledge Capture and Exploitation.

• Lightweight knowledge representation techniques are used: tagging, profiling,...
• Knowledge is leveraged through sharing and advanced inference mechanisms.