CommandLineParser by: gsscoder, nemec, ericnewton76

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.

CommunityToolkit.HighPerformance by: Microsoft

This package includes high performance .NET helpers such as: - Memory2D<T> and Span2D<T>: two types providing fast and allocation-free abstraction over 2D memory areas. - ArrayPoolBufferWriter<T>: an IBufferWriter<T> implementation using pooled arrays, which also supports IMemoryOwner<T>. - MemoryBufferWriter<T>: an IBufferWriter<T>: implementation that can wrap external Memory<T>: instances. - MemoryOwner<T>: an IMemoryOwner<T> implementation with an embedded length and a fast Span<T> accessor. - SpanOwner<T>: a stack-only type with the ability to rent a buffer of a specified length and getting a Span<T> from it. - StringPool: a configurable pool for string instances that be used to minimize allocations when creating multiple strings from char buffers. - String, array, Memory<T>, Span<T> extensions and more, all focused on high performance. - HashCode<T>: a SIMD-enabled extension of HashCode to quickly process sequences of values. - BitHelper: a class with helper methods to perform bit operations on numeric types. - ParallelHelper: helpers to work with parallel code in a highly optimized manner. - Box<T>: a type mapping boxed value types and exposing some utility and high performance methods. - Ref<T>: a stack-only struct that can store a reference to a value of a specified type. - NullableRef<T>: a stack-only struct similar to Ref<T>, which also supports nullable references.

CommunityToolkit.WinUI.Notifications by: Microsoft.Toolkit, dotnetfoundation

The official way to send toast notifications on Windows 10 via code rather than XML, with the help of IntelliSense. Supports all C# app types, including WPF, UWP, WinForms, and Console, even without packaging your app as MSIX. Also supports C++ UWP apps. Additionally, generate notification payloads from your ASP.NET web server to send as push notifications, or generate notification payloads from class libraries. For UWP/MSIX apps, you can also generate tile and badge notifications.

Confluent.Kafka by: Confluent Inc., Andreas Heider

Confluent's .NET Client for Apache Kafka

Confluent.Kafka.Extensions.Diagnostics by: Vadim Hatsura

Confluent.Kafka instrumentationusing the [System.Diagnostics.Activity](https://docs.microsoft.com/en-us/dotnet/api/system.diagnostics.activity) API

CsvHelper by: Josh Close

A library for reading and writing CSV files. Extremely fast, flexible, and easy to use. Supports reading and writing of custom class objects.

Dapper by: Sam Saffron, Marc Gravell, Nick Craver

A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc. Major Sponsor: Dapper Plus from ZZZ Projects.

Docker.DotNet by: Ahmet Alp Balkan

This library allows you to use Docker Remote API programmatically in your .NET applications. It is portable (PCL), fully asynchronous, non-blocking and object-oriented way to interact with your Docker daemon programmatically. As of this release, it supports Docker Remote API v1.14. ★ Documentation: https://github.com/ahmetalpbalkan/Docker.DotNet

Docker.DotNet.X509 by: Docker.DotNet.X509

Docker.DotNet.X509 is a library that allows you to use certificate authentication with a remote Docker engine programmatically in your .NET applications.

DocumentFormat.OpenXml.Framework by: Microsoft

The Open XML SDK provides tools for working with Office Word, Excel, and PowerPoint documents. It supports scenarios such as: - High-performance generation of word-processing documents, spreadsheets, and presentations. - Populating content in Word files from an XML data source. - Splitting up (shredding) a Word or PowerPoint file into multiple files, and combining multiple Word/PowerPoint files into a single file. - Extraction of data from Excel documents. - Searching and replacing content in Word/PowerPoint using regular expressions. - Updating cached data and embedded spreadsheets for charts in Word/PowerPoint. - Document modification, such as removing tracked revisions or removing unacceptable content from documents.

DotLiquid by: Tim Jones, Alessandro Petrelli

DotLiquid is a templating system ported to the .NET framework from Ruby’s Liquid Markup.

dotnet-ef by: Microsoft

Entity Framework Core Tools for the .NET Command-Line Interface. Enables these commonly used dotnet-ef commands: dotnet ef migrations add dotnet ef migrations list dotnet ef migrations script dotnet ef dbcontext info dotnet ef dbcontext scaffold dotnet ef database drop dotnet ef database update

EFCore.NamingConventions by: Shay Rojansky

Naming Conventions for Entity Framework Core Tables and Columns.

EntityFramework by: Microsoft

Entity Framework is Microsoft's recommended data access technology for new applications.

EntityFrameworkCore.Exceptions.SqlServer by: Giorgi Dalakishvili

Handle database errors easily when working with Entity Framework Core. Catch specific exceptions such as UniqueConstraintException, CannotInsertNullException, MaxLengthExceededException, NumericOverflowException instead of generic DbUpdateException

EPPlus by: EPPlus Software AB

A spreadsheet library for .NET framework and .NET core

Fable by: Alfonso García-Caro Núñez

F# to JS compiler

FastEndpoints by: FastEndpoints

A light-weight REST Api framework for ASP.Net 8 and newer that implements REPR (Request-Endpoint-Response) Pattern.

FastEndpoints.Attributes by: FastEndpoints

Attributes used by FastEndpoints.

FastEndpoints.Core by: FastEndpoints

Core service resolution and other shared functionality of FastEndpoints.