Top 20 NuGet parsing Packages

A .net wrapper for the ua-parser library
Command Line Parsing and Execution
Provides command-line parsing API integration with the generic host API (Microsoft.Extensions.Hosting).
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...
Contains general interfaces and classes for working with FHIR data, regardless of FHIR version or POCO's
The .NET Core C# ANTLR 4 runtime from the ANTLR Organization
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.
Derivative of Harwell's Antrl4cs: contains "ITask" wrapper for Msbuild, schemas for setting Antlr4 file properties, and a separately installed official Antlr4 java tool at antlr.org downloads.
Core utility functions and entities for Infinity Web API, 3D Secure/Payment widget
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.
Core utility functions and entities for Infinity Web API, 3D Secure/Payment widget
Reads and writes CSV, fixed-length and other flat file formats with a focus on schema definition, configuration and speed. Supports mapping directly between files and classes.
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.
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
EdiFabric is a software development kit for .NET Framework and .NET Core, which makes it straightforward to parse, generate, validate, acknowledge, split, customize, or in other words, to programmatically manipulate EDI, X12, EDIFACT, HL7, VDA, NCPDP files. 1. Getting started Install E...
EdiFabric is a software development kit for .NET Framework and .NET Core, which makes it straightforward to parse, generate, validate, acknowledge, split, customize, or in other words, to programmatically manipulate EDI, X12, EDIFACT, HL7, VDA, NCPDP files. 1. Getting started Install E...
Tools for FsLex/FsYacc lexer/parser generation tools
Runtime for FsLex/FsYacc lexer/parser generation tools