EasyModbusTCP by: Stefan Roßmann

Modbus TCP, UDP and RTU library for .NET

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: Elasticsearch Inc. and contributors

Exposes all the api endpoints but leaves you in control of building the request and response bodies. Comes with built in cluster failover/connection pooling support.

Elsa.Designer.Components.Web by: Elsa Contributors

Elsa is a set of workflow libraries and tools that enable lean and mean workflowing capabilities in any .NET Core application. This package provides ASP.NET Core component bindings for the Elsa Designer web component.

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

A collection of minimal binary 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.

EntityFramework.SqlServerCompact by: Microsoft

Allows SQL Server Compact 4.0 to be used with Entity Framework.

Enums.NET by: Tyler Brinkley

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

EPPlus by: Jan Källman

A library to manage Excel spreadsheets, using OOXML.

ExtendedNumerics.BigDecimal by: https://github.com/AdamWhiteHat

Arbitrary precision decimal class

FakeItEasy by: Patrik Hägne

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 and a mock, everythings a fake! The easy to use, refactoring friendly api makes faking a breeze.

FastEndpoints by: FastEndpoints

A light-weight REST Api framework for ASP.Net 6 and newer that implements REPR (Request-Endpoint-Response) Pattern.

FastMember by: Marc Gravell

In .NET reflection is slow... well, kinda slow. If you need access to the members of an arbitrary type, with the type and member-names known only at runtime - then it is frankly hard (especially for DLR types). This library makes such access easy and fast.

FirebirdSql.Data.FirebirdClient by: FirebirdSQL

Firebird ADO.NET Data provider

FluentAssertions by: Dennis Doomen Jonas Nyrup Xceed

A very extensive set of extension methods that allow you to more naturally specify the expected outcome of a TDD or BDD-style unit tests. Works with .NET Standard 2.0 and higher, .NET Framework 4.7 and higher and .NET 6 and higher. Supports the unit test frameworks MSTest2, NUnit3, NUnit4, XUnit2, XUnit3, MSpec and TUnit. IMPORTANT: This version is free for open-source projects and non-commercial use, but commercial use requires [a paid license](https://xceed.com/products/unit-testing/fluent-assertions/). Check out the [license page](LICENSE) for more information.

FluentNHibernate by: James Gregory and contributors

Fluent, XML-less, compile safe, automated, convention-based mappings for NHibernate.