A single assembly that adds OpenID 1.1/2.0, OAuth 1.0(a)/2.0, & InfoCard authentication and authorization functionality for client and server applications.
This allows your (web) application to issue identities or accept issued identites from other web applications, and even access your users'
data on other services.

There is a newer version of this package available.
See the version list below for details.
Install-Package DotNetOpenAuth.Ultimate -Version
dotnet add package DotNetOpenAuth.Ultimate --version
<PackageReference Include="DotNetOpenAuth.Ultimate" Version="" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add DotNetOpenAuth.Ultimate --version
The NuGet Team does not provide support for this client. Please contact its maintainers for support.


This package has no dependencies.

GitHub repositories (5)

Showing the top 5 popular GitHub repositories that depend on DotNetOpenAuth.Ultimate:

Repository Stars
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Version History

Version Downloads Last updated 323,194 11/25/2013 4,213 10/23/2013 624 10/20/2013 93,063 6/28/2013 4,335 4/27/2013 8,094 2/24/2013 2,512 1/27/2013 761 1/25/2013 6,401 11/28/2012 2,005 10/30/2012 2,491 9/30/2012 15,086 6/30/2012 932 7/1/2012 715 6/28/2012 3,119 4/29/2012 1,471 4/6/2012 4,061 3/25/2012
4.0.0-RC1 1,559 3/20/2012
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