Freedom251 › OAuth Server Software
Duende IdentityServer
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Standard | Billed annually · 1 production deployment · 10 client IDs · 10 BFF front-ends · unlimited APIs · 100,000 User Management users · priority support: 2 support escalations per year | $12,500 a year |
| Advanced | Billed annually · 2 production deployments · 30 client IDs · 30 BFF front-ends · unlimited APIs · 500,000 User Management users · priority support: 2 business day SLA, 4 escalations per year | $24,900 a year |
| Lite | Billed annually · 1 production deployment · 2 client IDs/connected apps · 2 BFF front-ends · unlimited APIs · 10,000 User Management users · community support | $5,750 a year |
| Custom | Billed annually · For enterprises needing unlimited scale and enhanced support | On request |
As duendesoftware.com lists them, read 3 Oct 2026. The maker's own page has the final word.
Facts from Duende IdentityServer's own pages
- Audience
- The Lite plan is described as intended for small teams shipping a focused product, while Standard targets growing teams managing multiple production applications. · duendesoftware.com, 3 Oct 2026
- Customization
- The framework is designed to be extended and customized, including authentication flows and business logic. · duendesoftware.com, 3 Oct 2026
- Deployment limit
- A deployment is one OpenID Connect/OAuth authority at one URL and may use multiple physical or virtual nodes for load balancing or failover; plan allowances range from one to up to unlimited deployments. · duendesoftware.com, 3 Oct 2026
- Financial-grade security
- The Financial-Grade Security & Conformance add-on checks IdentityServer configuration against FAPI 2.0 and OAuth 2.1 requirements and produces an audit-supporting report with remediation guidance. · duendesoftware.com, 3 Oct 2026
- Founded
- 2020 · duendesoftware.com, 28 Sept 2026
- Key management
- Automatic Key Management handles signing and validation key generation, rotation, propagation, and retirement. · duendesoftware.com, 3 Oct 2026
- Maker history
- Duende Software describes itself as the commercial home for IdentityServer, established in 2020 to support production systems while retaining developer control. · duendesoftware.com, 3 Oct 2026
- Protocols
- Core protocol support includes OpenID Connect and OAuth 2.0 with features such as Pushed Authorization Requests and Demonstration of Proof-of-Possession; extended support includes mTLS, JAR, CIBA, and Device Authorization Grant. · duendesoftware.com, 3 Oct 2026
- Purpose
- Duende IdentityServer is an OpenID Connect and OAuth 2.0 framework for ASP.NET Core that centralizes authentication for APIs, SPAs, mobile apps, and microservices in your own environment. · duendesoftware.com, 3 Oct 2026
- SAML integration
- The SAML add-on supports providing SAML SSO to downstream partners and accepting SAML assertions from upstream enterprise identity providers. · duendesoftware.com, 3 Oct 2026
- Standards
- The product implements standards and specifications including SAML, OAuth 2.0, and OpenID Connect. · duendesoftware.com, 3 Oct 2026
- Support
- Support is included with each license and varies by plan from community support to priority support and a premium tier with a named Technical Account Manager. · duendesoftware.com, 3 Oct 2026
- Trial and development
- A license is not required for development, testing, trial, or personal projects, and the product can be downloaded from NuGet. · duendesoftware.com, 3 Oct 2026
- User management
- The first-party .NET User Management SDK includes user profiles, authentication, and lifecycle management, with passwords, MFA, and passkeys built in. · duendesoftware.com, 3 Oct 2026
Where Duende IdentityServer stands on Freedom251
- OAuth Server Software#12 of 32