DotNetOpenAuth.OAuth.Core by: Andrew Arnott

This package contains shared code for other NuGet packages, and contains no public API in and of itself.

DotNetOpenAuth.OpenId.Core by: Andrew Arnott

This package contains shared code for other NuGet packages, and contains no public API in and of itself.

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 Chisa

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.

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: https://github.com/AdamWhiteHat

Arbitrary precision decimal class

FakeItEasy by: Patrik Hägne FakeItEasy contributors

It's faking amazing! The easy mocking framework 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.

Fare by: Nikos Baxevanis

.NET port of dk.brics.automaton - Project Fare is an effort to bring a DFA/NFA (finite-state automata) implementation from Java to .NET. There are quite a few implementations available in other languages today. This project aims to fill the gap in .NET.

FluentAssertions by: Dennis Doomen Oren Novotny Adam Voss

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit test. Runs on 4.0 and 4.5 (Desktop and Windows Store), Silverlight 5 and Windows Phone 8, 8.1 and 8.1 for Silverlight. Supports the unit test frameworks NUnit, XUnit, XUnit2, MBUnit, Gallio, MSpec, and NSpec.

FluentCommandLineParser by: siywilliams

A simple, strongly typed .NET C# command line parser library using a fluent easy to use interface

FluentFTP by: Robin Rodricks FluentFTP Contributors

An FTP and FTPS client for .NET & .NET Standard, optimized for speed. Provides extensive FTP commands, File uploads/downloads, SSL/TLS connections, Directory listing parsing, File hashing/checksums, File permissions/CHMOD, FTP proxies, FXP transfers, UTF-8 support, Async/await support, Powershell support and more. Written entirely in C#, with no external dependencies.

FluentScheduler by: Jim Geurts

A task scheduler that uses fluent interface to configure schedules. Useful for running cron jobs/automated tasks from your application.