# Duende Software<br/> Docs

> Get started building your .NET applications with IdentityServer, Backend-for-Frontend (BFF) and our open-source tools.

Install templates

Install the Duende templates to get started quickly.

Terminal

```bash
dotnet new install Duende.Templates
dotnet new duende-is -o DuendeIdentityServer
dotnet run --project DuendeIdentityServer
```

Demo Server

Experience IdentityServer in action with our live demo server. Test OAuth 2.0 and OpenID Connect flows, explore client configurations, and see how security tokens work in practice.

[Try it out](https://demo.duendesoftware.com)

IdentityServer

The most flexible and standards-compliant OpenID Connect and OAuth 2.0 framework for ASP.NET Core.

[Learn more](/identityserver/)

Backend-for-Frontend (BFF)

Securing SPAs and Blazor WASM Applications once and for all, without storing tokens in the browser.

[Learn more](/bff/)

Access Token Management

OSS .NET identity library for access token management.

[Learn more](/accesstokenmanagement/)

Identity Model

OSS .NET identity library for OAuth 2.0 related protocol operations.

[Learn more](/identitymodel/)

OIDC Client

OSS .NET identity libraries for OpenID Connect related protocol operations.

[Learn more](/identitymodel-oidcclient/)

Introspection for ASP.NET Core

OSS ASP.NET Core authentication handler for OAuth 2.0 token introspection.

[Learn more](/introspection/)

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