Open.IdentityServer is a free, open source OpenID Connect and OAuth 2.0 framework for .NET.
Open.IdentityServer is an independent open‑source project led by Rock Solid Knowledge, based on the Apache 2.0‑licensed IdentityServer4 codebase. It is not affiliated with or endorsed by Duende Software or the original IdentityServer4 authors.
Open.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. It is licensed under Apache 2 (an OSI approved license).
For project documentation, please visit IdentityServer.com.
We have quick-start guides for new projects and for migrating from other versions of IdentityServer.
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 SDK
- Install Git
- Clone this repo
- Run
build.ps1orbuild.shin the root of the cloned repo
For project documentation, please visit IdentityServer.com.
Please use the issue tracker and review the Roadmap.
We have a range of commercial products and services for Open.IdentityServer, which help to fund ongoing development. See here for more details.
If you are a fan of the project or a company that relies on Open.IdentityServer, you might want to consider sponsoring. We also welcome sponsored development if you have a particular feature that you would like to see implemented. In either case, reach out to us at sales@identityserver.com.
Open.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!