.NET

Velcro PhysicsGenbox/VelcroPhysics

A high-performance 2D collision detection and physics engine for .NET, ideal for games and simulations.

FarseerVelcroPhysics/VelcroPhysics

A high-performance 2D collision detection system with realistic physics responses for games and simulations.

Expectohaf/expecto

An advanced, smooth testing library for F# with parallel execution, property-based testing, and performance benchmarking.

MVVM DialogsFantasticFiasco/mvvm-dialogs

A library that simplifies opening dialogs from view models in WPF applications using the MVVM pattern.

Win Application Framework (WAF)jbe2277/waf

A lightweight .NET framework for building well-structured XAML applications (MAUI, WPF, WinUI) using MVVM and layered architecture.

MagicScalersaucecontrol/PhotoSauce

A high-performance, high-quality image processing pipeline for .NET, focused on making complex imaging tasks simple.

NGraphicspraeclarum/NGraphics

A cross-platform .NET library for rendering vector graphics with a unified API for immediate and retained mode graphics.

digiCamControldukus/digiCamControl

Open-source software for remote control of DSLR cameras via computer.

redux.NETGuillaumeSalles/redux.NET

A predictable state container for .NET applications, inspired by Redux.js, enabling unidirectional data flow.

FSharpx.Extrasfsprojects/FSharpx.Extras

A collection of functional programming libraries and utilities for F# development.

FluentDateTimeFluentDateTime/FluentDateTime

A .NET library providing fluent extension methods for cleaner DateTime expressions and operations.

Blazored.ToastBlazored/Toast

A JavaScript-free toast notification library for Blazor and Razor Components applications.

DuckDB.NETGiorgi/DuckDB.NET

ADO.NET provider and native bindings for DuckDB, enabling C# applications to interact with the in-process analytical database.

Dommelhenkmollema/Dommel

A lightweight extension for Dapper that simplifies CRUD operations by generating SQL queries from POCO entities.

consuldotnetPlayFab/consuldotnet

A .NET client library for Consul, providing idiomatic access to service discovery, configuration, and orchestration.

WpfAnimatedGifXamlAnimatedGif/WpfAnimatedGif

A simple library to display animated GIF images in WPF applications, usable in XAML or code.

Rezoom.SQLrspeele/Rezoom.SQL

An F# ORM that statically typechecks a SQL dialect and translates it to SQLite, SQL Server, and PostgreSQL backends.

Jotanakic/jot

A .NET library for declaratively persisting and applying application state like window sizes, user preferences, and form data.

solidworks_urdf_exporterros/solidworks_urdf_exporter

A SolidWorks add-in that exports robot assembly models to URDF format for ROS simulation and visualization.

GitInfokzu/GitInfo

A transparent MSBuild and .NET package that provides Git and Semantic Versioning information for C#, F#, and VB projects.

common-loggingnet-commons/common-logging

A portable logging abstraction for .NET that allows switching between different logging implementations like log4net, NLog, and Serilog.

SlimMessageBuszarusz/SlimMessageBus

A lightweight, extensible messaging framework for .NET supporting pub/sub and request-response patterns with multiple broker integrations.

Nemerlersdn/nemerle

A high-level statically-typed programming language for .NET with functional, OOP, imperative features and powerful meta-programming.

LightInjectseesharper/LightInject

An ultra lightweight Inversion of Control (IoC) container for .NET with high performance and minimal overhead.

LlmTornadolofcz/LlmTornado

A .NET provider-agnostic SDK for building, orchestrating, and deploying AI agents and workflows with 30+ built-in API connectors.

ROS2 For UnityRobotecAI/ros2-for-unity

A high-performance communication solution that integrates Unity3D with the ROS2 ecosystem using native ROS2 middleware.

CommandDotNetbilal-fazlani/commanddotnet

A modern .NET framework for building feature-rich command-line interface (CLI) applications with minimal boilerplate.

LamarJasperFx/lamar

A fast, modern Inversion of Control (IoC) container and successor to StructureMap for .NET applications.

BitFaster.Cachingbitfaster/BitFaster.Caching

High-performance, thread-safe in-memory caching primitives for .NET with advanced eviction policies.

ULogViewercarina-studio/ULogViewer

A cross-platform universal log viewer built with .NET for reading, parsing, and analyzing various log formats.

BlazorMonacoserdarciplak/BlazorMonaco

Blazor component wrapper for Microsoft's Monaco Editor, the code editor that powers Visual Studio Code.

SecurityDriven.Infernosdrapkin/SecurityDriven.Inferno

A professionally audited .NET cryptography library implementing secure-by-default patterns and algorithms.

CodeBeam.MudExtensionsCodeBeamOrg/CodeBeam.MudExtensions

A collection of community-contributed extension components and utilities for the MudBlazor UI framework.

QtSharpddobrev/QtSharp

Mono/.NET bindings for Qt, enabling C# developers to use Qt libraries through automatically generated wrappers.

resinkreeben/resin

A vector space search engine, vector database, and key/value store for efficient string processing and vector operations.

DBreezehhblaze/DBreeze

A multi-paradigm embedded NoSQL database for .NET with ACID transactions, text search, and vector similarity search capabilities.