.net-framework

Chocolateychocolatey/choco

A package manager for Windows that automates software installation, upgrade, and removal like apt-get for Linux.

Orleansdotnet/orleans

A cross-platform framework for building robust, scalable distributed applications in .NET using the virtual actor model.

MahApps.MetroMahApps/MahApps.Metro

A toolkit for creating modern, Metro-style WPF applications with minimal effort.

Bogusbchavez/Bogus

A simple fake data generator for C#, F#, and VB.NET, ported from faker.js, to load databases and apps with realistic test data.

SignalRSignalR/SignalR

A library for ASP.NET developers to add real-time web functionality by pushing server-side content to connected clients.

ML.NETdotnet/machinelearning

An open-source, cross-platform machine learning framework for .NET developers to build, train, and deploy custom ML models.

QuartzNetquartznet/quartznet

A fully-featured, open source job scheduling library for .NET applications.

quartznetquartznet/quartznet

A fully-featured, open source job scheduling library for .NET applications.

PrismPrismLibrary/Prism

A framework for building loosely coupled, maintainable, and testable XAML applications across WPF, Avalonia, MAUI, and Uno Platform.

Edge.jstjanczuk/edge

Edge.js enables in-process interoperability between Node.js and .NET, allowing you to call .NET from Node.js and vice versa.

QRCoder Wcodebude/QRCoder

A pure C# library for generating QR codes and Micro QR codes with multiple output formats and 23+ payload generators.

protobuf-netmgravell/protobuf-net

A contract-based Protocol Buffers serializer for .NET with idiomatic API patterns similar to XmlSerializer.

Greenshotgreenshot/greenshot

A lightweight, free screenshot tool for Windows with annotation, editing, and multiple export options.

Command Line Parsercommandlineparser/commandline

A robust C#/.NET command line parser library with *nix getopt style, supporting F# and verb commands.

Azure PowerShellAzure/azure-powershell

A PowerShell module for developers and administrators to manage Microsoft Azure resources.

FreeSql2881099/FreeSql

A powerful, high-performance .NET ORM supporting AOT, multiple databases, and advanced features like CodeFirst/DbFirst.

Fluent Assertionsfluentassertions/fluentassertions

A comprehensive set of extension methods for writing readable and intuitive assertions in .NET unit tests.

FOCAElevenPaths/FOCA

A Windows tool for extracting metadata and hidden information from documents found on web pages and local files.

coverlettonerdo/coverlet

A cross-platform code coverage collection tool for .NET, supporting line, branch, and method coverage.

FastReportFastReports/FastReport

Free open-source reporting tool for .NET applications that generates document-like reports from various data sources.

Chromelymattkol/Chromely

A lightweight .NET framework for building cross-platform HTML desktop apps using native GUI and embedded Chromium.

Octokit.NEToctokit/octokit.net

A .NET client library for interacting with the GitHub API, supporting .NET Framework 4.6+ and .NET Standard 2.0+.

ConfuserExmkaring/ConfuserEx

An open-source protector for .NET applications that obfuscates code and prevents reverse engineering.

Iron PythonIronLanguages/ironpython3

An open-source implementation of Python 3.x for the .NET Framework, built on the Dynamic Language Runtime.

Akavachereactiveui/Akavache

An asynchronous, persistent key-value store for .NET desktop and mobile applications, based on SQLite3.

ImageProcessorJimBobSquarePants/ImageProcessor

A fluent .NET wrapper around System.Drawing for fast and extensible image processing on Windows.

OrchardOrchardCMS/Orchard

A free, open-source, community-focused Content Management System built on ASP.NET MVC with extensibility as its core design principle.

RabbitMQ.NETrabbitmq/rabbitmq-dotnet-client

Official .NET client library for RabbitMQ, enabling .NET applications to communicate with RabbitMQ message brokers.

AppMetricsalhardy/AppMetrics

An open-source, cross-platform .NET library for recording and reporting application metrics with support for multiple backends.

pinvokedotnet/pinvoke

A comprehensive collection of P/Invoke method signatures for Windows APIs, packaged as NuGet libraries with type-safe wrappers.

.NET for Apache Sparkdotnet/spark

.NET for Apache Spark provides high-performance .NET APIs for Apache Spark, enabling C# and F# developers to work with structured and streaming data.

prometheus-netprometheus-net/prometheus-net

A .NET library for instrumenting applications with Prometheus metrics, including built-in integrations for ASP.NET Core.

MimeKitjstedfast/MimeKit

A high-performance .NET library for creating and parsing MIME messages with support for S/MIME, PGP, DKIM, TNEF, and Unix mbox.

NBitcoinMetacoSA/NBitcoin

A comprehensive Bitcoin library for .NET, implementing all major Bitcoin Improvement Proposals (BIPs) and providing low-level primitives.

AspectCore Frameworkdotnetcore/AspectCore-Framework

An Aspect-Oriented Programming (AOP) framework for .NET Core and .NET Framework with cross-platform support.

LaserGRBLarkypita/LaserGRBL

A Windows GUI for GRBL specifically optimized for laser cutter and engraver control.