Here you'll find a variety of components for interacting with MSFT Cardspace.

The project includes:

• An Identity Selector for Firefox
• Code for building Relying Parties
• Code for building Security Token Services
• Code for interacting with Microsoft Cardspace, including code for generating cards, and encrypting/decrypting backup files
• Sample code for the various components

More information can be found at http://xmldap.org