Meet IdentityServer

Duende IdentityServer is your go-to for rock-solid identity and access management for .NET apps.

It's a secure, standards-compliant framework built on OpenID Connect and OAuth 2.0, giving you the freedom to craft .NET authorization and authentication exactly how you need it, with full control over your UI, UX, business logic, and data.

Flexible SDK
Standards-compliant
Predictable pricing with no per-user fees
Host anywhere

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Duende IdentityServer

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

Flexible UI

When off-the-shelf products are just not flexible enough. You have full control over UI, UX, business logic and data.

True to open standards

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

Unlimited hosting options

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

Customers who trust Duende

"As a developer, I'm happy we chose IdentityServer as our IDP, because it is easy to work with, comes with good documentation, and is kept up to date with .NET developments."

Michael Pohl

Developer, Holman

"We're pleased with IdentityServer overall. The system has been reliable. It's working well for our organization, and it has been effective in meeting our identity management needs."

Brandon Fee

VP of Software Engineering, FSSI