Unity-Technologies / unity-agent-plugin

Unity plugin for third-party agent platforms

SteveTheKiller / KillerPDF

Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

d2phap / ImageGlass

🏞 A fast, open-source, modern image viewer for 90+ formats – including WEBP, GIF, SVG, AVIF, JXL, HEIC and more – built for smooth browsing across Windows, macOS, and Linux.

kwsch / PKHeX

Pokémon Save File Editor

dotnet / runtime

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

dulaiduwang003 / Pavise-Game

Open-source Windows game resource manager. Suppresses background processes, gives games exclusive CPU cores, steers device interrupts off game cores, applies per-game GPU driver, memory and power policies, and restores every change after play. No injection, no telemetry. GPL-3.0.

Taiizor / ReaLTaiizor

ReaLTaiizor is a .NET WinForms control library that offers a wide range of components and is user-friendly and design-focused.

GZTimeWalker / GZCTF

The GZ::CTF project, an open source CTF platform.

aprillz / MewUI

A cross-platform and lightweight, code-first .NET GUI framework aimed at NativeAOT.

FNA-XNA / FNA

FNA - Accuracy-focused XNA4 reimplementation for open platforms

TASEmulators / BizHawk

BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.

mono / SkiaSharp

SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.

Cysharp / ZLinq

Zero allocation LINQ with LINQ to Span, LINQ to SIMD, and LINQ to Tree (FileSystem, JSON, GameObject, etc.) for all .NET platforms and Unity, Godot.

ErsatzTV / legacy

Open-source platform that transforms your personal media library into live, custom TV channels.

AntdUI / AntdUI

👚 Winform interface library based on the Ant Design

dotnet / winforms

Windows Forms is a .NET UI framework for building Windows desktop applications.

OpenSilver / OpenSilver

Build Cross-Platform Apps with C#, VB.NET, or F# and XAML. One codebase. Six platforms. Powered by WebAssembly and .NET.

lukaslangrock / ShutdownTimerClassic

Pick a time and let your computer shutdown itself.

drJhonatan00 / BackAuto

BackAuto is a modern, lightweight, and efficient automated backup utility built with .NET 8 and Windows Forms. Designed for performance and reliability, it allows users to protect important files effortlessly through a clean user interface and flexible background scheduling.

PrismLibrary / Prism

Prism is a framework for building loosely coupled, maintainable, and testable XAML applications in WPF, Xamarin Forms, and Uno / Win UI Applications..

paolosalvatori / ServiceBusExplorer

The Service Bus Explorer allows users to connect to a Service Bus namespace and administer messaging entities in an easy manner. The tool provides advanced features like import/export functionality or the ability to test topic, queues, subscriptions, relay services, notification hubs and events hubs.

moonsharp-devs / moonsharp

An interpreter for the Lua language, written entirely in C# for the .NET, Mono, Xamarin and Unity3D platforms, including handy remote debugger facilities.

facioquo / stock-indicators-dotnet

Stock Indicators for .NET is a C# NuGet package that transforms raw equity, commodity, forex, or cryptocurrency financial market price quotes into technical indicators and trading insights. You'll need this essential data in the investment tools that you're building for algorithmic trading, technical analysis, machine learning, or visual charting.

LogExperts / LogExpert

Windows tail program and log file analyzer.

NetSparkleUpdater / NetSparkle

NetSparkle is a C#, cross-platform, highly-configurable software update framework with pre-built UI for .NET developers compatible with .NET 4.6.2/.NET 6+, WinForms, WPF, and Avalonia; uses Ed25519 signatures. View basic usage here in the README and try the samples for yourself.

reactiveui / Camelotia

A cross-platform sample application built with ReactiveUI. Camelotia is a file manager for cloud storage providers and local file systems, demonstrating reactive MVVM architecture, testable view models and shared code across desktop UI frameworks.

rueblose / alive

A fast, portable catalog for your Ableton Live projects and plugins. One .exe, no installer, no external DLLs.

cefsharp / CefSharp

.NET (WPF and Windows Forms) bindings for the Chromium Embedded Framework

reactiveui / ReactiveUI

A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.

Caliburn-Micro / Caliburn.Micro

A small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.

Mapsui / Mapsui

Mapsui is a .NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms, .NET for Android and .NET for iOS

googlesamples / unity-jar-resolver

Unity plugin which resolves Android & iOS dependencies and performs version management

MarimerLLC / csla

A home for your business logic in any .NET application.

dotnet-bluetooth-le / dotnet-bluetooth-le

Bluetooth LE plugin for .NET (Xamarin/MAUI), supporting Android, iOS, macOS, Windows

GeneralLibrary / GeneralUpdate

Unlimited Updates, Boundless Upgrades.

Krypton-Suite / Standard-Toolkit

An update to Component factory's krypton toolkit to support .NET Framework 4.6.2 - 4.8.1 to .NET 8 - 10

tui-cs / TerminalGuiDesigner

Forms Designer for Terminal.Gui (aka gui.cs)

exceptionless / Exceptionless.Net

Exceptionless clients for the .NET platform

CureJe / sedentary-reminder

Stand Up Buddy is a lightweight desktop app for Windows and macOS that reminds you to take regular breaks. Animated characters appear with unique motions and sounds, encouraging you to stretch, move, and reduce discomfort from prolonged sitting.

stlk0 / MacBookEco

Windows tray utility for cooler, quieter Intel MacBooks running Boot Camp

loudMore / dsh-launcher

DeepSeek Harness (dsh) 傻瓜式启动器｜一键安装/更新/维护 dsh 与插件，环境检测，小白友好。A beginner-friendly launcher & manager for dsh: one-click install/update/maintain plugins & environment.

SuRGeoNix / Flyleaf

Media Player .NET Library for WinUI 3/ WPF/WinForms (based on FFmpeg/DirectX)

NLog / NLog

NLog - Flexible and Structured Logging for various .NET Platforms