Thinktecture IdentityServer is a light-weight security token service built with .NET 4.5, MVC 4, Web API and WCF.
- Multiple protocols support (WS-Trust, WS-Federation, OAuth2, HTTP GET)
- Multiple token support (SAML 1.1/2.0, JWT)
- Out of the box integration with ASP.NET membership, roles and profile
- Can be integrated with arbitrary account and attribute stores
- Support for username/password and client certificates authentication
- Support for WS-Federation metadata
- Support for WS-Trust identity delegation
- Extensibility points to customize configuration and user management handling