FakeItEasy by: Patrik Hägne FakeItEasy contributors

It's faking amazing! The easy mocking library for .NET that works great in C# and VB.NET alike. No need to know the difference between a stub, a mock or a spy, everything's a fake! The easy to use, refactoring friendly API makes faking a breeze.

FluentValidation by: Jeremy Skinner

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

Fody by: Fody

Extensible tool for weaving .net assemblies.

Fractions by: Daniel Mueller

The fraction data type consists of two BigInteger values for numerator and denominator. It implements various operations (addition, subtraction, multiplication, division and remainder) with operator overloads.

Google.Protobuf by: Google Inc.

C# runtime library for Protocol Buffers - Google's data interchange format.

Hangfire.AspNetCore by: Sergey Odinokov

ASP.NET Core support for Hangfire, a background job framework for .NET applications.

HangFire.Core by: Sergey Odinokov

Core components for HangFire (background job system for ASP.NET applications).

Hangfire.Core by: Sergey Odinokov

An easy and reliable way to perform fire-and-forget, delayed and recurring, long-running, short-running, CPU or I/O intensive tasks in .NET applications. No Windows Service / Task Scheduler required. Backed by Redis, SQL Server, SQL Azure or MSMQ. This is a .NET alternative to Sidekiq, Resque and Celery. https://www.hangfire.io/

Hangfire.InMemory by: Sergey Odinokov

In-memory job storage for Hangfire with an efficient implementation.

Hangfire.MySqlStorage by: Arnoldas Gudas

Hangfire MySql Storage

Hangfire.NetCore by: Sergey Odinokov

.NET Core's Worker Service host support for Hangfire (background job system for ASP.NET applications).

Hangfire.PostgreSql by: Frank Hommers and others (Burhan Irmikci (barhun) Zachary Sims(zsims) kgamecarter Stafford Williams (staff0rd) briangweber Viktor Svyatokha (ahydrax) Christopher Dresel (Dresel) Vytautas Kasparavičius (vytautask) Vincent Vrijburg David Roth (davidroth).

PostgreSql storage implementation for Hangfire (background job system for ASP.NET and aspnet core applications).

HangFire.SqlServer by: Sergey Odinokov

SQL Server / SQL Azure job storage implementation for HangFire (background job system for ASP.NET applications).

Hangfire.SqlServer by: Sergey Odinokov

SQL Server 2008+ (including Express), SQL Server LocalDB and SQL Azure storage support for Hangfire, a background job framework for .NET applications.

Haukcode.WkHtmlToPdfDotNet by: rdvojmoc HakanL georgechond94

.NET Core P/Invoke wrapper for wkhtmltopdf library that uses Webkit engine to convert HTML pages to PDF.

HtmlSanitizer by: Michael Ganss

Cleans HTML from constructs that can be used for cross site scripting (XSS)

HtmlToOpenXml.dll by: Olivier Nizet

A library to convert simple or advanced html to plain OpenXml document

Humanizer.Core by: Mehdi Khalili Claire Novotny

Humanizer core package that contains the library and the neutral language (English) resources

Humanizer.Core.bn-BD by: Mehdi Khalili Claire Novotny

Humanizer Locale Bangla (Bangladesh) (bn-BD)

Humanizer.Core.da by: Mehdi Khalili Claire Novotny

Humanizer Locale Danish (da)

Humanizer.Core.el by: Mehdi Khalili Claire Novotny

Humanizer Locale Greek (el)

Humanizer.Core.fa by: Mehdi Khalili Claire Novotny

Humanizer Locale Persian (fa)