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.

Coravel by: James Hickey

Near-zero config .NET Core library that makes Task Scheduling, Caching, Queuing, Mailing, Event Broadcasting (and more) a breeze!

CompareNETObjects by: gfinzer

What you have been waiting for. Perform a deep compare of any two .NET objects using reflection. Shows the differences between the two objects.

coverlet.collector by: tonerdo

Coverlet is a cross platform code coverage library for .NET, with support for line, branch and method coverage.

coverlet.msbuild by: tonerdo

Coverlet is a cross platform code coverage library for .NET, with support for line, branch and method coverage.

ClosedXML.Parser by: Jan Havlíček

A lexer and parser of Excel formulas with focus on performance. Its goal is to create an abstract syntax tree from a formula text to enable formula evaluation.

CommunityToolkit.Maui by: Microsoft

The .NET MAUI Community Toolkit is a collection of Animations, Behaviors, Converters, and Custom Views for development with .NET MAUI. It simplifies and demonstrates common developer tasks building iOS, Android, macOS and Windows apps with .NET MAUI.

CommunityToolkit.Mvvm by: Microsoft

This package includes a .NET MVVM library with helpers such as: - ObservableObject: a base class for objects implementing the INotifyPropertyChanged interface. - ObservableRecipient: a base class for observable objects with support for the IMessenger service. - ObservableValidator: a base class for objects implementing the INotifyDataErrorInfo interface. - RelayCommand: a simple delegate command implementing the ICommand interface. - AsyncRelayCommand: a delegate command supporting asynchronous operations and cancellation. - WeakReferenceMessenger: a messaging system to exchange messages through different loosely-coupled objects. - StrongReferenceMessenger: a high-performance messaging system that trades weak references for speed. - Ioc: a helper class to configure dependency injection service containers.

CommunityToolkit.Maui.Core by: Microsoft

Core library for community toolkits using .NET MAUI

Cloudmersive.APIClient.NETCore.VirusScan by: Cloudmersive LLC

Cloudmersive Virus Scan API Client for .NET Core allows you to scan files, URLs, and webistes for viruses, malware, trojans, ransomware, spyware, and many other types of threats. Multi-factor scanning across many delivery methods including polymorphic and multipartite. Scanning supports files, archives, and recursive file formats.

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.

CookieInformation.Episerver by: Cookie Information

An integration to Cookie Informations Consent solution. Helps you collect visitors Cookie Consents and comply with GDPR and ePrivacy

CommonServiceLocator by: .NET Foundation and Contributors

The library provides an abstraction over IoC containers and service locators. Using the library allows an application to indirectly access the capabilities without relying on hard references.

Costura.Fody by: geertvanhorrik, simoncropp

Fody add-in for embedding references as resources.

Cube.Pdf by: clown, cube-soft

Basic data structures and interfaces for Cube.Pdf libraries.

Cube.Core by: clown, cube-soft

Basic components to practice the MVVM pattern in application development.

Cube.Native.Pdfium.Lite by: clown, cube-soft, PDFium Authors

PDFium library without V8 and XFA modules.

Cube.Pdf.Pdfium by: clown, cube-soft

PDFium based PDF library.

CSharpier by: CSharpier

CSharpier is an opinionated code formatter for c#.

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.