Top 20 NuGet openapi Packages

Implements v2.0 of the Open API Specification (https://www.openapis.org). Open API is a specification and complete framework implementation for describing, producing, consuming, and visualizing RESTful web services.
.NET models with JSON and YAML writers for OpenAPI specification
OpenAPI.NET Readers for JSON and YAML documents
Simple OpenApi extensions as attributes
Implements v2.0 of the Open API Specification (https://www.openapis.org). Open API is a specification and complete framework implementation for describing, producing, consuming, and visualizing RESTful web services.
This is official release of PAXSTORE OpenApi SDK for .Net
Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project implementing Swagger (OpenAPI).
A library to add capabilities to a NancyFx web service to generate a json doc that complies to OpenApi spec 3.0.2.
RAML and OAS (swagger) parser for .Net
Barber is cli-tool for generating files based on mustache templates. In addition it can read and process OpenAPI 3 specifications and generate code based on templates.
F# Type Provider for Open API Specification
F# Type Provider for Swagger
Core components for Swagger/OpenAPI-driven integration testing API's built on ASP.NET Core
OpenAPI.NET Readers for JSON and YAML documents
Xunit add-on for Swagger/OpenAPI-driven integration testing API's built on ASP.NET Core
AspNetCore OpenAPI bits. SourceLink is enabled.
Service Repository Agent using Swagger to provide the Api Description. See details https://github.com/ServiceGovernance/ServiceGovernance.Repository
Skycoin client library for .NET
Provides an simple to use OpenAPI library for usage in .NET core.
.NET models with JSON and YAML writers for OpenAPI specification