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 can be evaluated using either synchronous or asynchronous proc...
X12 transaction-set classes for the EdiFabric EDI SDK. Use with the EdiFabric package to parse, generate, validate, and acknowledge ANSI X12 interchanges, including purchase orders, invoices, and advance ship notices. Version 11.0.0 of EdiFabric changes authentication. Replace SerialKey.Set with Li...
HIPAA X12 transaction-set classes for the EdiFabric EDI SDK, including 837 claims, 835 remittance, and 270/271 eligibility. Use with the EdiFabric package to parse, generate, validate, and acknowledge healthcare files. Version 11.0.0 of EdiFabric changes authentication. Replace SerialKey.Set with L...
Tools for FsLex/FsYacc lexer/parser generation tools
Runtime for FsLex/FsYacc lexer/parser generation tools