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IdentityServer4

Assess

Platforms

An open-source OpenID Connect and OAuth 2.0 framework for .NET applications, now discontinued.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 0 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

  • 6The New Stack·6/30/2026open_source
    RSK revives IdentityServer4 as open source fork

    Rock Solid Knowledge has launched Open.IdentityServer, an open-source fork of the IdentityServer4 codebase, to provide a maintained alternative for developers after Duende commercialized the original project. The platform supports OpenID Connect and OAuth 2.0 for .NET applications, with the core remaining free and commercial extensions optional.