Identity and access management solutions for .NET apps.

Meet Duende IdentityServer. A secure, flexible, and standards-compliant framework for OpenID Connect and OAuth 2.0. Use it as-is, or with full control of your UI, UX, business logic, and data. You decide.
Start for free
Explore IdentityServer

Standards-compliant identity and access control SDKs for .NET developers

IdentityServer

The most flexible and standards-compliant OpenID Connect and OAuth 2.0 framework for ASP.NET.

Learn more

Backend for Frontend (BFF)

Secure SPAs and Blazor WASM apps once and for all, without storing tokens in the browser.

Learn more

Open Source

.NET identity libraries for building OIDC and OAuth web and native client applications.

Learn more

Why Duende IdentityServer?

When the off-the-shelf products are just not flexible enough

Full control over your UI, UX, business logic and data.

True to open standards and OpenID Connect certified

Implements over a dozen protocols and standards from the OpenID Foundation and IETF working groups.

Unlimited hosting options

You can run IdentityServer wherever you need - on premises, cloud, behind a VPN, Windows, Linux, Docker, or Kubernetes.

Duende IdentityServer customers:

Talentech
Apprenda
Bankwest
Bosch
Daikin
Datev
Dyson
FrendeForsikring
Galeria Kaufhof
Komplett
Microsoft
Nord Safety
Norskhelsenett
Relativity
Ritterim
Simplyhealth
SparebankenVest
SwissLife
Xero