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.

Duende.IdentityServer.EntityFramework.Storage by: Duende Software

EntityFramework persistence layer for Duende IdentityServer

DnsClient by: MichaCo

DnsClient.NET is a simple yet very powerful and high performance open source library for the .NET Framework to do DNS lookups

Cronos by: Andrey Dorokhov Sergey Odinokov

A fully-featured .NET library for parsing Cron expressions and calculating next occurrences that was designed with time zones in mind and correctly handles daylight saving time transitions.

EasyNetQ by: Mike Hadlow Michael Denny Yury Pliner Wiebe Tijsma Contributors (see GitHub repo)

A nice .NET API for RabbitMQ

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.

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

Package Description

Elasticsearch.Net by: Elastic and contributors

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

ExcelNumberFormat by: ExcelNumberFormat developers

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

CsvHelper by: Josh Close

A library for reading and writing CSV files. Extremely fast, flexible, and easy to use. Supports reading and writing of custom class objects.

EPPlus.Interfaces by: EPPlus.Interfaces

Package Description

DocumentFormat.OpenXml by: Microsoft

The Open XML SDK provides tools for working with Office Word, Excel, and PowerPoint documents. It supports scenarios such as: - High-performance generation of word-processing documents, spreadsheets, and presentations. - Populating content in Word files from an XML data source. - Splitting up (shredding) a Word or PowerPoint file into multiple files, and combining multiple Word/PowerPoint files into a single file. - Extraction of data from Excel documents. - Searching and replacing content in Word/PowerPoint using regular expressions. - Updating cached data and embedded spreadsheets for charts in Word/PowerPoint. - Document modification, such as removing tracked revisions or removing unacceptable content from documents.

Dapper by: Sam Saffron Marc Gravell Nick Craver

A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc..

Duende.IdentityServer.Storage by: Duende Software

Storage interfaces and models for Duende IdentityServer

ExcelDataReader by: ExcelDataReader developers

Lightweight and fast library written in C# for reading Microsoft Excel files (2.0-2007).

ExcelDataReader.DataSet by: ExcelDataReader developers

ExcelDataReader extension for reading Microsoft Excel files into System.Data.DataSet.

EPPlus by: EPPlus Software AB

A spreadsheet library for .NET framework and .NET core

FluentAssertions by: Dennis Doomen Jonas Nyrup

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. Targets .NET Framework 4.7, .NET Core 2.1 and 3.0, .NET 6, as well as .NET Standard 2.0 and 2.1. Supports the unit test frameworks MSTest2, NUnit3, XUnit2, MSpec, and NSpec3.

FluentEmail.Core by: Luke Lowrey Ben Cull Github Contributors

Send emails very easily. Use razor templates, smtp, embedded files, all without hassle. This is a Base Package and includes just the domain model, very basic defaults, and is also included with every other Fluent Email package here.

DinkToPdf by: Rok Dvojmoc

.NET Core P/Invoke wrapper for wkhtmltopdf library that uses Webkit engine to convert HTML pages to PDF.