Accord.Vision by: Accord.NET

Real-time face detection and tracking, as well as general methods for detecting, tracking and transforming objects in image streams. Contains Haar cascade definitions, Camshift and Dynamic Template Matching trackers. This package is part of the Accord.NET Framework.

AdvancedDLSupport by: TheBlackCentipede, Jax

An alternative approach to your typical P/Invoke.

AForge by: AForge.NET

The AForge library is a core library of AForge.NET framework, which contains core classes used by other libraries of the framework and classes, which can be used independently for various purposes.

AForge.Controls by: AForge.NET

The AForge.Controls library contains some reusable UI classes used as in AForge.NET framework's samples, as in some independent applications. Full list of features is available on the project's web site.

AForge.Genetic by: AForge.NET

The AForge.Genetic library contains classes to run Genetic Algorithms (GA), Genetic Programming (GP) and Gene Expression Programming (GEP). Set of chromosome and selection classes are provided. Full list of features is available on the project's web site.

AForge.Imaging by: AForge.NET

The AForge.Imaging library contains interfaces and classes for different image processing routines and filters. Full list of features is available on the project's web site.

AForge.Math by: AForge.NET

The AForge.Math library contains set of math utilities, which are used by other AForge.NET framework's libraries or may be used individually.

AForge.Neuro by: AForge.NET

The AForge.Neuro library contains classes for artificial neural network computation - feed forwards networks with error back propagation learning and Kohonen self organizing maps. Full list of features is available on the project's web site.

AForge.Video by: AForge.NET

The AForge.Video library contains interfaces and classes to access different video sources, such as IP video cameras (MJPEG streams). The library defines types used by other video related libraries from AForge.NET framework.

AForge.Vision by: AForge.NET

The AForge.Vision library contains some computer vision classes - set of motion detection algorithms. Full list of features is available on the project's web site.

Antlr by: Sam Harwell, Terence Parr

ANother Tool for Language Recognition, is a language tool that provides a framework for constructing recognizers, interpreters, compilers, and translators from grammatical descriptions containing actions in a variety of target languages.

AODL by: Till Wolff

AODL is C# .NET library for creating / editing documents in the OpenDocument Format ( ODF ). Requires no knowledge about the ODF XML schema itself.

App.Metrics by: Allan Hardy and Contributors

App Metrics is an open-source .NET Standard library used to record application metrics.

Aspose.Words by: Aspose

Aspose.Words for .NET is a powerful, high-performance document processing library for creating, editing, converting, and rendering Word and PDF files in C#. It supports DOCX, DOC, RTF, ODT, HTML, PDF, Markdown, and over 30 formats. Designed for .NET developers, it enables advanced document automation, mail merge, text extraction, and report generation. Aspose.Words ensures high fidelity in document conversion, seamless API integration, and cross-platform compatibility. Ideal for cloud, web, and desktop applications.

AsyncUsageAnalyzers by: Sam Harwell et. al.

A collection of analyzers related to best practices for writing asynchronous code.

AutoMapper by: Jimmy Bogard

A convention-based object-object mapper.

Avalonia by: Avalonia Team

Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS and with experimental support for Android, iOS and WebAssembly.

Avalonia.BuildServices by: Avalonia Team

Avalonia is a cross-platform UI framework for .NET providing a flexible styling system and supporting a wide range of Operating Systems such as Windows, Linux, macOS and with experimental support for Android, iOS and WebAssembly.

AvroConvert by: Adrian Strugala

Small and fast library for serializing c# objects to avro format and vice versa

AWSSDK.Core by: Amazon Web Services

The Amazon Web Services SDK for .NET - Core Runtime