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.

EntityFramework6.Npgsql by: Shay Rojansky Emil Lenngren Francisco Figueiredo Jr. Kenji Uno

PostgreSQL provider for Entity Framework 6

EntityFrameworkCore.SqlServer.HierarchyId by: Brice Lambson et al.

Adds hierarchyid support to the SQL Server EF Core provider

EntityFrameworkCore.SqlServer.HierarchyId.Abstractions by: Brice Lambson et al.

Common abstractions for using hierarchyid with EF Core

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

envdte by: Microsoft

A member of the Visual Studio SDK

EnvDTE80 by: Microsoft

A member of the Visual Studio SDK

envdte80 by: Microsoft

A member of the Visual Studio SDK

EPPlus by: EPPlus Software AB

A spreadsheet library for .NET framework and .NET core

EPPlus.Interfaces by: EPPlus.Interfaces

Package Description

EPPlus.System.Drawing by: EPPlus.System.Drawing

Package Description

EventStore.Client by: Event Store Ltd

The legacy TCP client API for Event Store. Get the open source or commercial versions of Event Store server from https://eventstore.com/

EventStore.SDK by: MundiPagg

Package Description

ExcelNumberFormat by: ExcelNumberFormat developers

.NET library to parse ECMA-376 number format strings and format values like Excel and other spreadsheet softwares.

ExpressionTreeToString by: Zev Spitz

String representations of expression trees or expression tree parts - C#, Visual Basic, Expression factory method calls, DebugView

ExtentReports by: anshooarora

ExtentReports .Net Standard

Facebook by: Jim Zimmerman Nathan Totten Prabir Shrestha

The Facebook C# SDK core.

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.

Faker.Net by: Ben Smith Ollie Riches Robin Michael

C# port of the Ruby Faker gem (http://faker.rubyforge.org/) and is used to easily generate fake data: names, addresses, phone numbers, etc.

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.

FastExpressionCompiler.src by: Maksim Volkau

FastExpressionCompiler is 10-40x times faster than Expression.Compile()