DotNetOpenAuth.OpenId.RelyingParty by: Andrew Arnott

Increase conversion rates to your web site by lowering the bar to create an account with your site, by allowing customers to use accounts they already have with other sites, such as Google and Yahoo!

DotNetZip by: Henrik/Dino Chiesa

A fork of the DotNetZip project without signing with a solution that compiles cleanly. This project aims to follow semver to avoid versioning conflicts. DotNetZip is a FAST, FREE class library and toolset for manipulating zip files. Use VB, C# or any .NET language to easily create, extract, or update zip files.

Dynamitey by: Dynamitey

(pronounced dyna-mighty) flexes DLR muscle to do meta-mazing things in .net

EFCore.NamingConventions by: Shay Rojansky

Naming Conventions for Entity Framework Core Tables and Columns.

EfCore.SchemaCompare by: Jon P Smith

Useful tool if you are changing the schema of your database's schema outside of EF Core' migrations, say by using SQL change scripts. See readme file on github.

EntityFramework by: Microsoft

Entity Framework 6 (EF6) is a tried and tested object-relational mapper for .NET with many years of feature development and stabilization.

Enums.NET by: Tyler Brinkley

Enums.NET is a high-performance type-safe .NET enum utility library

envdte by: Microsoft

A member of the Visual Studio SDK

envdte100 by: Microsoft

A member of the Visual Studio SDK

envdte80 by: Microsoft

A member of the Visual Studio SDK

envdte90 by: Microsoft

A member of the Visual Studio SDK

envdte90a by: Microsoft

A member of the Visual Studio SDK

ExtendedNumerics.BigDecimal by: Adam White Jan Christoph Bernack Rick Harker

An arbitrary precision decimal (base 10) floating point number type using a mantissa and exponent. Supports nth roots, trigonometric functions, logarithms, natural e, pi, etc.

FaceIT.Hangfire.Tags by: Erwin Bovendeur

Add tags to Hangfire backgroundjobs

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.

FakeXrmEasy by: @jordimontana

Utilities to streamline unit testing in Dynamics CRM 2011 by faking the IOrganizationService against an In-Memory context which runs blazingly fast.

FakeXrmEasy.365 by: @jordimontana

Utilities to streamline unit testing in Dynamics CRM 365 by faking the IOrganizationService against an In-Memory context which runs blazing fast.

FakeXrmEasy.Abstractions.v9 by: Jordi Montaña

FakeXrmEasy is the open source test automation framework for .net core and the Power Platform / Dataverse. This is an abstractions package containing only interfaces.

FakeXrmEasy.ace.2016 by: @jordimontana

Utilities to streamline unit testing in Dynamics CRM 365 by faking the IOrganizationService against an In-Memory context which runs blazing fast. This Libary contains modification by ace

FakeXrmEasy.ace.365 by: @jordimontana

Utilities to streamline unit testing in Dynamics CRM 365 by faking the IOrganizationService against an In-Memory context which runs blazing fast. This Libary contains modification by ace