Clipper by: Angus Johnson

The Clipper library performs clipping and offsetting for both lines and polygons. All four boolean clipping operations are supported - intersection, union, difference and exclusive-or. Polygons can be of any shape including self-intersecting polygons.

Clipper2 by: Angus Johnson

Polygon Clipping and Offsetting Library

CommandLineParser by: Giacomo Stelluti Scala

The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.

CommunityToolkit.Mvvm by: Microsoft

This package includes a .NET MVVM library with helpers such as: - ObservableObject: a base class for objects implementing the INotifyPropertyChanged interface. - ObservableRecipient: a base class for observable objects with support for the IMessenger service. - ObservableValidator: a base class for objects implementing the INotifyDataErrorInfo interface. - RelayCommand: a simple delegate command implementing the ICommand interface. - AsyncRelayCommand: a delegate command supporting asynchronous operations and cancellation. - WeakReferenceMessenger: a messaging system to exchange messages through different loosely-coupled objects. - StrongReferenceMessenger: a high-performance messaging system that trades weak references for speed. - Ioc: a helper class to configure dependency injection service containers.

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.

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.

DotImaging.BitmapInterop by: Darko Jurić

Provides extensions for interoperability with System.Drawing.Bitmap, Point, PointF, Color and drawing extensions.

DotNetAnalyzers.PublicApiAnalyzer by: Sam Harwell et. al.

An analyzer for packages with public APIs.

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

An analyzer for packages with public APIs.

EMGU.CV by: Emgu Corporation

Emgu CV is a cross platform .Net wrapper to the OpenCV image processing library. Allowing OpenCV functions to be called from .NET compatible languages such as C#, VB, VC++, IronPython etc.

Emgu.CV.runtime.windows by: Emgu Corporation

This package contains the native runtime of Emgu CV for Windows

Emgu.runtime.windows.msvc.rt.x64 by: Emgu Corporation

This package contains the native x64 MSVC runtime for Windows

Emgu.runtime.windows.msvc.rt.x86 by: Emgu Corporation

This package contains the native x86 MSVC runtime for Windows

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.

Equals.Fody by: Rafał Jasica, Simon Cropp

Generate Equals, GetHashCode and operator methods from properties for classes decorated with an [Equals] Attribute.

Evos.Xbim by: Steve Lockley, Martin Cerny and XBIMTeam Contributors

Same XBim as in NanoCAD 26.0

ExcelDataReader by: iciobanu

Lightweight and fast library written in C# for reading Microsoft Excel files ('97-2007).

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.

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.

Fizzler by: colinramsay1980, azizatif

A .NET library to select items from a node tree based on a CSS selector. The default implementation is based on HTMLAgilityPack and selects from HTML documents. There over 140 unit tests - see below for more information. The tests are based on the jQuery selector engine tests. At this time, the library is BETA quality.