Top 20 NuGet parsing Packages

Tools for FsLex/FsYacc lexer/parser generation tools
Command-line parsing API and utilities for console applications. Commonly used types: McMaster.Extensions.CommandLineUtils.CommandLineApplication McMaster.Extensions.CommandLineUtils.CommandOption McMaster.Extensions.CommandLineUtils.IConsole McMaster.Extensions.CommandLineUtils.Prompt McMaster.Ex...
Terse syntax C# command line parser for .NET. For FSharp support see CommandLineParser.FSharp. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
Contains general interfaces and classes for working with FHIR data, regardless of FHIR version or POCO's
Irony Parser Kit, interpreter library
The C# target of the ANTLR 4 parser generator for Visual Studio 2010+ projects. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2010 or newer.
The runtime library for parsers generated by the C# target of ANTLR 4. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2008 or newer.
A .net wrapper for the ua-parser library
The .NET Core C# ANTLR 4 runtime from the ANTLR Organization
The C# target of the ANTLR 4 parser generator for Visual Studio 2010+ projects. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2010 or newer.
The C# target of the ANTLR 3 parser generator. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2010 or newer.
Class library that defines a script language and an object abstraction of computable elements. The library helps application parse and execute script. Script is extensible, and it is easy for modules to extend the script engine. Script Syntax: https://waher.se/Script.md
Runtime for FsLex/FsYacc lexer/parser generation tools
Parse, generate or validate EDI documents.
The runtime library for parsers generated by the C# target of ANTLR 3. This package supports projects targeting .NET 2.0 or newer, and built using Visual Studio 2008 or newer.
Terse syntax C# command line parser for .NET. For FSharp support see CommandLineParser.FSharp. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
Provides command-line parsing API integration with the generic host API (Microsoft.Extensions.Hosting).
Human name parsing. Parses names using English conventions for persons names. Many thanks to Tyler Young, Matt Gillette, mguiness.
Terse syntax C# command line parser for .NET with F# support. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
A .NET Framework 4.5.2 and Standard 2.0 WHOIS Lookup and Parsing Library