Dapper by: Sam Saffron Marc Gravell Nick Craver

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

Dapper.Contrib by: Sam Saffron Johan Danforth

The official collection of get, insert, update and delete helpers for dapper.net. Also handles lists of entities and optional "dirty" tracking of interface-based entities.

DeepCloner by: force

Small Library for fast deep or shallow cloning .NET objects. It allows to copy everything and has a lot of performance tricks for fast copying.

DesktopBridge.Helpers by: Matteo Pagani

A simple library that can be used in a Win32 app to detect if it's running as native or inside a Desktop Bridge container.

DeviceDetector.NET by: totpero

The Universal Device Detection library for .NET that parses User Agents and detects devices (desktop, tablet, mobile, tv, cars, console, etc.), clients (browsers, feed readers, media players, PIMs, ...), operating systems, brands and models. This is a port of the popular PHP device-detector library to C#. For the most part you can just follow the documentation for device-detector with no issue.

DotNetAnalyzers.PublicApiAnalyzer.Unstable by: Sam Harwell et. al.

An analyzer for packages with public APIs.

DotNetCore.NPOI by: NCC Savorboard

A .NET library for reading and writing Microsoft Office binary and OOXML file formats.

DotNetSeleniumExtras.PageObjects by: DotNetSeleniumExtras Contributors

This package provides an implementation of the PageFactory for .NET, replacing the implementation originally provided by the Selenium project.

DotNetty.Buffers by: Microsoft

Buffer management in DotNetty

DotNetty.Common by: Microsoft

DotNetty common routines

DotNetZip by: Henrik/Dino Chiesa

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.

DynamicExpresso.Core by: Davide Icardi

Dynamic Expresso is an interpreter for simple C# statements. Dynamic Expresso embeds its own parsing logic, really interprets C# statements by converting it to .NET lambda expressions or delegates. Using Dynamic Expresso developers can create scriptable applications, execute .NET code without compilation or create dynamic linq statements. Statements are written using a subset of C# language specifications. Global variables or parameters can be injected and used inside expressions. It doesn't generate assembly but it creates an expression tree on the fly.

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.

Enums.NET by: Tyler Brinkley

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

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

Arbitrary precision decimal class

FluentValidation by: Jeremy Skinner

A validation library for .NET that uses a fluent interface to construct strongly-typed validation rules.

Fody by: Fody

Extensible tool for weaving .net assemblies.

Fractions by: Daniel Mueller

The fraction data type consists of two BigInteger values for numerator and denominator. It implements various operations (addition, subtraction, multiplication, division and remainder) with operator overloads.

Gee.External.Capstone by: Ahmed Garhy (@9ee1)

Capstone.NET is an opinionated .NET Core and a .NET Framework binding for the Capstone disassembly framework. It is written in C#, supports Capstone 4, and has a friendly and simple type safe API that is ridiculously easy to learn and quick to pick up.