Top 20 NuGet http Packages

Provides AppSelfHostBase implementation for .NET Core's Kestrel Self Host HTTP Server To get started see: https://servicestack.net/getting-started
.NET's fastest JSON, JSV and CSV Text Serializers. Fast, Light, Resilient. Contains ServiceStack's high-performance text-processing powers, for more info see: https://github.com/ServiceStack/ServiceStack.Text
XML extensions to Flurl.Http
Lightweight StandAlone Http Mocking Server for .Net.
.NET's fastest JSON, JSV and CSV Text Serializers. Fast, Light, Resilient. Contains ServiceStack's high-performance text-processing powers, for more info see: https://github.com/ServiceStack/ServiceStack.Text
Lightweight Http Mocking Server for .Net, inspired by WireMock from the Java landscape.
Chilkat .NET Core Class Library
The F# Data library (FSharp.Data.dll) implements everything you need to access data in your F# applications and scripts. It implements F# type providers for working with structured file formats (CSV, HTML, JSON and XML) and for accessing the WorldBank data. It also includes helpers for parsing CSV, ...
Chilkat .NET Class Library (32-bit) for SSH/SFTP, FTP, POP3, SMTP, IMAP, SSL/TLS, Zip, REST, OAuth2, HTTP, RSA, XML DSig, Encryption, Compression, XML, Socket, XMP, HTML to XML, JSON, JWT, OAuth1, conversion, PKCS12/PFX, Java Keystore, ASN.1, PEM, ECC, Async, ...
Library of ASP.NET web forms extensions, embedded resource hosting and HTTP Module for implementing role-based security.
A simple caching library to cache any data structure for a specific amount of time in any .NET application. Additionally, offers simple HTTP methods for caching web request data. Powered by FileStore.
A fluent, portable, testable HTTP client library.
A tiny, cross-platform, module based, MIT-licensed web server. Supporting NET Framework, Net Core, and Mono.
TweetMoaSharp is a fast, clean wrapper around the Twitter API. Based on the original TweetSharp.
Razor view engine support for the Giraffe web framework.
This client library provides access to the Microsoft Cognitive Services Face APIs.
Provides infrastructure for common error handling, tracing, configuration, and HTTP/REST-based pipeline manipulation for REST clients generated with Hyak.
A Serilog sink sending log events over HTTP.
A native functional ASP.NET Core web framework for F# developers.
Defines the IoT Gateway runtime environment.