svmukhin 

A fluent HTTP client library for .NET that provides a pure OOP approach to building and executing HTTP requests with method chaining. Supports wire decorators for authorization, retries, and custom request... More information

Immutable JSON library for .NET inspired by Jakarta JSON API (JSR 374). Provides fluent builders, JSON Pointer (RFC 6901), and JSON Patch (RFC 6902) support.

Xembly is an Assembly-like imperative programming language for data manipulation in XML documents. A .NET port of the original Java Xembly library.

Immutable fluent SOAP 1.1 and SOAP 1.2 client for .NET 8, built on SergeiM.Http. Send SOAP requests, parse envelopes and faults, and assert responses with a chainable API.