DynamicInterop by: Jean-Michel Perraud

Facilities to load native DLLs from .NET, on Unix, Windows or MacOS.

EFCore.BulkExtensions by: borisdj

EntityFramework .Net EFCore EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server, PostgreSQL, MySQL, SQLite

EFCore.BulkExtensions.MySql by: borisdj

EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on MySQL

EFCore.BulkExtensions.PostgreSql by: borisdj

EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on PostgreSQL

EFCore.BulkExtensions.SQLite by: borisdj

EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQLite

EFCore.BulkExtensions.SqlServer by: borisdj

EntityFramework EF Core Bulk Batch Extensions for Insert Update Delete Read (CRUD) operations on SQL Server

Elasticsearch.Net by: Elastic and contributors

Elasticsearch.Net

EmptyFiles by: https://github.com/VerifyTests/EmptyFiles/graphs/contributors

A collection of minimal binary files.

EngineIoClientDotNet by: Matthias Ludwig

This is the Engine.IO Client Library for C#.

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.

EntityFramework.Extended by: LoreSoft

[Deprecated] Use Entity Framework Plus instead: http://entityframework-plus.net/ No longer supported since 2015

EPPlus by: Jan Källman

A library to manage Excel spreadsheets, using OOXML.

Esprima by: Sebastien Ros

Standard-compliant ECMAScript 2016 parser (also popularly known as JavaScript or ES6).

ExcelDataReader by: ExcelDataReader developers

Lightweight and fast library written in C# for reading Microsoft Excel files (XLS, XLSX).

ExcelNumberFormat by: ExcelNumberFormat developers

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

ExCSS by: Tyler Brinks

ExCSS is a CSS 3 parser for .NET. ExCSS makes it easy to read and parse stylesheets into a friendly object model with full LINQ support.

Expecto by: Anthony Lloyd and contributors

Advanced testing library for F#

Extended.Wpf.Toolkit by: Xceed

Extended WPF Toolkit is the number one collection of WPF controls, components and utilities for creating next generation Windows applications. Provides 48 controls, all offered under the Xceed Software Inc Community License. v5.1 provides 12 bug fixes and improvements. Documentation, source, and discussions are hosted on Github at https://github.com/xceedsoftware/wpftoolkit. Check out the Plus Edition to support the project, get more controls and features, and work with a version a few releases ahead of the free releases.

Fable.Core by: Alfonso García-Caro Núñez

Fable Core Library

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.