This is a fork of the original IdentityServer4 codebase that has been ported and updated to run on .NET 9
In the spirit of the original project - this codebase remains open-source and open to contributions.
The original project creators have a new implementation: the new Duende IdentityServer comes with a commercial license but is free for dev/testing/personal projects and companies or individuals making less than 1M USD gross annnual revenue. Please get in touch with us if you have any question.
Zen.IdentityServer is a free, open source OpenID Connect and OAuth 2.0 framework for ASP.NET Core. Originally founded by Dominick Baier and Brock Allen and now maintained by Adrian Lewis, Zen.IdentityServer incorporates all the protocol implementations and extensibility points needed to integrate token-based authentication, single-sign-on and API access control in your applications. -Zen.IdentityServer is officially certified by the OpenID Foundation and thus spec-compliant and interoperable. It is part of the .NET Foundation, and operates under their code of conduct. It is licensed under Apache 2 (an OSI approved license).-
For project documentation, please visit readthedocs.
Active development happens on the main branch. This always contains the latest version. Each (pre-) release is tagged with the corresponding version.
- Install the latest .NET 9 SDK
- Install Git
- Clone this repo
- Run
build.ps1orbuild.shin the root of the cloned repo
For project documentation, please visit readthedocs.
Please use the issue tracker for that. We only support the latest version for free. For older versions, you can get a commercial support agreement with us.
If you need help with implementing Zen.IdentityServer or your security architecture in general, there are both free and commercial support options. See here for more details.
If you are a fan of the project or a company that relies on IdentityServer, you might want to consider sponsoring. This will help us devote more time to answering questions and doing feature development. If you are interested please head to our Patreon page which has further details.
Ritter Insurance Marketing
ExtraNetUserManager
Knab
You can see a list of our current sponsors here - and for companies we have some nice advertisement options as well.
Zen.IdentityServer is built using the following great open source projects and free services:
..and last but not least a big thanks to all our contributors!