PowerShell / PowerShell
PowerShell for every system!
PowerShell / PowerShell
icsharpcode / ILSpy
.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!
lokicorvus / crosspet
跨 AI 桌宠：跟着你用的 AI 换形象、跟着 AI 的工作状态做动作
RayWangQvQ / BiliBiliToolPro
B 站（bilibili）自动任务工具，支持docker、青龙、k8s等多种部署方式。全面拥抱AI。敏感肌也能用。
sourcegit-scm / sourcegit
Windows/macOS/Linux GUI client for GIT users
PZW152 / one-click-eu-lord
一鍵轉生歐爺 · 一键转生欧爷 · One-Click EU Lord — give Windows 11 every gain from Ireland's EU/EEA (DMA) policy without the features the EU build removes, and keep it across updates. One 166 KB exe, no runtime, fully reversible. 繁中 / 简中 / English.
TechnitiumSoftware / DnsServer
Technitium DNS Server
OpenRA / OpenRA
Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.
nota-daw / nota
Nota — a free DAW for macOS, Windows and Linux. No subscription, no account — just open it and make music.
DevToys-app / DevToys
A Swiss Army knife for developers.
Kareadita / Kavita
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
AvaloniaUI / Avalonia
Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
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.
nilaoda / N_m3u8DL-RE
Cross-Platform, modern and powerful stream downloader for MPD/M3U8/ISM. English/简体中文/繁體中文.
stride3d / stride
Stride (formerly Xenko), a free and open-source cross-platform C# game engine.
grwth404 / NetworkedVegas2
Helps connect Rainbow Six Vegas 2 across the internet
Jeric-X / SyncClipboard
跨平台剪贴板同步、历史记录管理工具 / Cross-platform cipboard syncing, history management tool
dotnet / aspnetcore
ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.
MonoGame / MonoGame
One framework for creating powerful cross-platform games.
git-ecosystem / git-credential-manager
Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other popular Git hosting services.
0x90d / videoduplicatefinder
Video Duplicate Finder - Crossplatform
Sylinko / Everywhere
On-screen aware AI assistant for your desktop. Uses current app context, multiple LLMs, and MCP tools to help you act across apps.
velopack / velopack
Installer and automatic update framework for cross-platform desktop applications
abpframework / abp
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
mgth / LittleBigMouse
DPI Aware mouse move across screens
OpenTabletDriver / OpenTabletDriver
Open source, cross-platform, user-mode tablet driver
SnapXL / SnapX
SnapX is a free, open-source, cross-platform tool that lets you capture or record any area of your screen and instantly share it with a single keypress. Upload images, videos, text, and more to multiple supported destinations—all with ease. ShareX fork
videolan / libvlcsharp
Cross-platform .NET/Mono bindings for LibVLC
AtomUI / AtomUI
An enhancement and extension library for Avalonia, bringing the Ant Design design language, modern controls, theming, native integrations, and cross-platform UI capabilities to .NET desktop apps.
simple-acme / simple-acme
A simple cross platform ACME client (for use with Let's Encrypt et al.)
Aimee51819 / FileFlipper
FileFlipper — Quick Edit for Mac & Windows. One-click Markdown: turn Word, PDF, PowerPoint and Excel into clean Markdown that AI reads with fewer tokens. Plus Shift-drag conversion in Finder and File Explorer: JPG, PNG, PDF, HEIC, MP4, crop, OCR. 100% on-device, free and open source. Mac 和 Windows 都能用，一键转 Markdown。
dotnet / runtime
.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.
unoplatform / uno
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
vpnhood / VpnHood
Undetectable, Fast, Cross-Platform, Free VPN
Kindness-Kismet / stelliberty
Stelliberty Remake: A high-performance, visually appealing, and modern cross-platform network client.
aprillz / MewUI
A cross-platform and lightweight, code-first .NET GUI framework aimed at NativeAOT.
C7-Game / OpenCiv3
OpenCiv3 is an open-source, cross-platform, mod-oriented, modernized remake of Civilization III by the fan community built with the Godot Engine and C#, with capabilities inspired by the best of the 4X genre and lessons learned from modding Civ3.
potatobeanradio / circuitRF
Full featured, cross-platform RF circuit + electromagnetic simulator. DC, S-parameters, harmonic balance, loadpull, envelope. Also supports 2D and 3D layout and design and electromagnetic MoM, FEM, FDTD + thermal FEM.
KloBraticc / Voidstrap
Voidstrap is a simple yet advanced fork of Bloxstrap, advanced customization and improvements.
dotnet / machinelearning
ML.NET is an open source and cross-platform machine learning framework for .NET.
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.
irihitech / Ursa.Avalonia
Ursa is an enterprise level UI library for building cross-platform applications with Avalonia UI.
Decimation / SmartImage
Reverse image search tool (SauceNao, IQDB, Ascii2D, trace.moe, and more)
OpenSilver / OpenSilver
Build Cross-Platform Apps with C#, VB.NET, or F# and XAML. One codebase. Six platforms. Powered by WebAssembly and .NET.
ClassicUO / ClassicUO
ClassicUO - an open source implementation of the Ultima Online Classic Client.
hxroo6 / Liuzhuan
Liuzhuan - cross-app material staging hub (pure LAN)
arloopa / UnitySplats
Cross-platform Unity 6 package for importing, loading, and rendering 3D Gaussian Splats. Supports Built-in, URP, HDRP, PLY/SOG/SPZ/GLB formats, runtime loading, GPU and CPU sorting, XR, mobile, desktop, and WebGL 2.
tui-cs / Terminal.Gui
Cross Platform Terminal UI toolkit for .NET
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.
SixLabors / ImageSharp
A modern, cross-platform, 2D Graphics library for .NET
cake-build / cake
:cake: Cake (C# Make) is a cross platform build automation system.
picoe / Eto
Cross platform GUI framework for desktop and mobile applications in .NET
MattParkerDev / SharpIDE
A modern, cross platform IDE for .NET, built with .NET & Godot
mini-software / MiniExcel
Lightweight, fast and native cross-platform processing tool for importing and exporting spreadsheet documents.
oxyplot / oxyplot
A cross-platform plotting library for .NET
roslynpad / roslynpad
Cross-platform C# editor based on Roslyn
WalletWasabi / WalletWasabi
Open-source, non-custodial, privacy preserving Bitcoin wallet for Windows, Linux, and Mac.
tareqimbasher / NetPad
A cross-platform C# editor and playground.
justcoding121 / titanium-web-proxy
A cross-platform high performing HTTP(S) proxy server in C#.
webprofusion / certify
Professional ACME Client for Windows (and now cross-platform via Certify Management Hub). Certificate Management UI, powered by Let's Encrypt and compatible with all ACME v2 CAs. Used by over 150,000 organisations. Download from certifytheweb.com