Open.IdentityServer and Duende IdentityServer Single Sign-on Products and Services

IdentityServer.com the Home for .NET Identity

Products and Services for Open.IdentityServer and Duende IdentityServer

Don't want to pay a License Fee for IdentityServer?

Migrate from Duende IdentityServer to Open.IdentityServer in 10 minutes and keep your existing infrastructure.

Migrate For Free
Need Help Upgrading from IdentityServer4

Leave the unsupported world of IdentityServer4 and enter the new world of Open.IdentityServer in just 10 minutes.

Get Help Upgrading
Need a Single Sign-on Solution?

Every organization has its own requirements. Let your team focus on what they do best, while our team of experts build a single sign-on (SSO) solution for you.

Customized Single Sign-On Solution

Featured Products for IdentityServer

Open.IdentityServer

ASP.NET
Open.IdentityServer

Open.IdentityServer gives you a clear supported path to migrate from Duende IdentityServer and IdentityServer4 without disruption.
Open.IdentityServer
Open.IdentityServer

Duende IdentityServer
AdminUI

13.0.1

A Duende IdentityServer AdminUI, provides a web portal and a programmable API to manage your IdentityServer configuration and users.
AdminUI
Open.IdentityServer

Duende IdentityServer

ASP.NET
SAML2P

11.2.0

Allow IdentityServer to act as a SAML Identity Provider or Service Provider, enabling legacy applications to use your SSO solution and legacy identity providers to support modern applications.
SAML2P

View All Products

Support Services

We have a range of support services for your IdentityServer products and setup.

Bespoke Development

We can develop a single sign-on solution that integrates with your organisation from the ground up or we can enhance your existing IdentityServer solution. Our expert team build these solutions day in day out so can you rest assured that your solution is robust and high quality

Bespoke Development
Developer Support
Production Support

View All Services

Latest Articles

All the latest articles, news and product releases.

02 Jun 2026
Free Open Source IdentityServer, Forever.

Having been part of the IdentityServer ecosystem for over a decade, we now feel it's the right time to offer .NET developers a free, forever IdentityServer SDK. Read this article to know more about why.

Kieran Odinius

Job Role

Head of Sales

Free Open Source IdentityServer, Forever.
05 May 2026
Interop issue with 1Password and .NET 10 Passkeys

Interop issue with 1Password and .NET 10 Passkey implementation. The JSON serializer is very strict, causing 1Password Passkeys to fail to authenticate. See how to fix it.

Andrew Clymer

Job Role

Managing Director

Interop issue with 1Password and .NET 10 Passkeys
30 Apr 2026
Managing your IdentityServer configuration with AI

AdminUI 12.0 allows you to manage your IdentityServer configuration using natural language, using the Model Context Protocol client and a Large Language Model of your choice.

Andrew Clymer

Job Role

Managing Director

Managing your IdentityServer configuration with AI

View All Articles

Subscribe to IdentityServer on YouTube

Follow IdentityServer on YouTube to get the latest videos. Make sure to turn on notifications for new videos by clicking the "bell icon" in YouTube...