Freedom251 › OAuth Server Software
OpenIddict

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| OpenIddict | Free and open source · Apache 2.0 license · Free for commercial use | Free |
As openiddict.com lists them, read 29 Sept 2026. The maker's own page has the final word.
Facts from OpenIddict's own pages
- Authentication
- OpenIddict focuses on OAuth 2.0/OpenID Connect protocol handling and leaves user authentication to the implementer; ASP.NET Core Identity is optional. · documentation.openiddict.com, 29 Sept 2026
- Customization
- Its event handlers can be removed, reordered, or replaced with custom handlers. · documentation.openiddict.com, 29 Sept 2026
- Founded
- 2015 · openiddict.com, 28 Sept 2026
- Getting started
- The documentation recommends ABP Framework and Orchard Core for turnkey OpenID Connect server implementations that support OpenIddict out of the box. · documentation.openiddict.com, 29 Sept 2026
- Integrations
- OpenIddict lists ASP.NET Core, ASP.NET, Entity Framework, MongoDB, and Quartz.NET among its integration areas. · documentation.openiddict.com, 29 Sept 2026
- License
- OpenIddict is released under the Apache 2.0 license and is free to use in commercial projects. · openiddict.com, 29 Sept 2026
- Persistence
- Officially supported persistence integrations include Entity Framework 6, Entity Framework Core, and MongoDB; custom stores can support other providers. · documentation.openiddict.com, 29 Sept 2026
- Platforms
- The client stack supports Windows, macOS, Linux, Android, and iOS applications. · openiddict.com, 29 Sept 2026
- Product
- OpenIddict is a free and open source framework for building OAuth 2.0/OpenID Connect clients and servers in .NET. · documentation.openiddict.com, 29 Sept 2026
- Project history
- The project was born in late 2015 and added its OAuth 2.0/OpenID Connect client stack in 2022. · documentation.openiddict.com, 29 Sept 2026
- Security configuration
- The configuration documentation lists encryption and signing credentials, mutual TLS authentication, PKCE, and pushed authorization requests. · documentation.openiddict.com, 29 Sept 2026
- Stacks
- It provides client, server, and token validation stacks that can be used together or independently. · documentation.openiddict.com, 29 Sept 2026
- Stateless mode
- Degraded mode can disable features that depend on OpenIddict.Core, including client and redirect URI validation, reference tokens, and token revocation. · documentation.openiddict.com, 29 Sept 2026
- Support
- Dedicated support is available to regular contributors, sponsors, and companies with a custom support contract, and generally covers only the latest stable version. · openiddict.com, 29 Sept 2026
- Support exceptions
- The support page describes extended support for previous versions based on sponsorship tier and lists an exception for ABP Framework users. · openiddict.com, 29 Sept 2026
- Web hosting
- The server and validation stacks can be used in ASP.NET Core 2.1+ or ASP.NET 4.6.1+ applications. · openiddict.com, 29 Sept 2026
Where OpenIddict stands on Freedom251
- OAuth Server Software#24 of 32
