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.

CommunityToolkit.HighPerformance by: Microsoft.Toolkit

This package includes high performance .NET Standard 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.

ConfigureAwait.Fody by: Cameron MacFarland Simon Cropp

Configure async code's ConfigureAwait at a global level.

Confluent.Kafka by: Confluent Inc. Andreas Heider

Confluent's .NET Client for Apache Kafka

ConsoleControl by: Dave Kerr

The ConsoleControl is a WinForms control that you can drop into a Form to run an external process in a C# application.

CoreCompat.System.Drawing by: CoreCompat.System.Drawing

CoreCompat.System.Drawing

CoreProfiler by: teddy.ma

CoreProfiler - A .NET Core Profiling Library

CoreProfiler.Web by: teddy.ma

CoreProfiler.Web - A .NET Core Profiling Library

Costura.Fody by: geertvanhorrik simoncropp

Fody add-in for embedding references as resources.

coverlet.collector by: tonerdo

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

Crc32.NET by: force

Fast version of Crc32 & Crc32C algorithms for .NET and .NET Core. It is up to 3x-5x times better than other "fast" implemenations. Code based on Crc32C.NET library.

CronExpressionDescriptor by: Brady Holt

A library that converts cron expressions into human readable descriptions. Supports multiple languages including: English, Brazillian, Spanish, Norwgian, Turkish, Dutch, Chinese Simplified, Russian, French, German, Ukrainian, Persian (Farsi), Polish, Romanian, Italian, Swedish, Slovenian, Danish, Finnish, Greek, Kazakh and Japanese.

Cronos by: Andrey Dorokhov Sergey Odinokov

A fully-featured .NET library for parsing cron expressions and calculating next occurrences that was designed with time zones in mind and correctly handles daylight saving time transitions.

CSharpFunctionalExtensions by: Vladimir Khorikov

CSharpFunctionalExtensions - functional extensions for C#.

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..

Database by: Gil Sani

Create JSON based database on any device.

dbup by: Paul Stovell Jim Burger Jake Ginnivan Damian Maclennan

This package exists to allow easy upgrades from pre-4.0 version This package was split into two packages dbup-core and dbup-sqlserver so that non SQL Server packages did not need to also reference the SQL Server code. Uninstall this package and install dbup-sqlserver, or the package for the server(s) you are targeting instead!

dbup-core by: Paul Stovell Jim Burger Jake Ginnivan Damian Maclennan

DbUp makes it easy to deploy and upgrade SQL Server databases by running change scripts. This is the core library and should be used in conjunction with the database specific package (eg dbup-sqlserver, dbup-mysql)

dbup-sqlserver by: https://github.com/orgs/DbUp/people

DbUp makes it easy to deploy and upgrade Microsoft SQL Server databases. This package adds SqlServer support.