KnifeLemon / Filee

Free, open-source file converter. Convert 255 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.

2dust / v2rayN

A GUI proxy client for Windows, Linux and macOS that manages V2Ray, Xray, sing-box and other core configurations.

Zaneris / passenger

An open-source IDE for C# and .NET, built with Avalonia, for Windows, macOS and Linux: a Roslyn-powered editor, its own debugger with Hot Reload, a CPU and memory profiler, XAML tooling for Avalonia and WPF, and an MCP server for coding agents.

PowerShell / PowerShell

Cross-platform command-line shell, scripting language, and automation framework for Windows, Linux, and macOS.

QL-Win / QuickLook

Windows app that shows instant file previews when you press Space, modeled on macOS Quick Look.

juinwei7 / Shiyin

Free, open-source meeting notes app for Mac: records Zoom, Meet and Teams without a bot, transcribes on-device (whisper.cpp + Breeze ASR 25), identifies speakers, and writes timestamped notes with your own Claude or ChatGPT. 拾音

Apps2Samsung / Apps2Samsung

One-click app installer for Samsung TVs, projectors and smart monitors (Tizen) — Jellyfin, Moonlight, and the whole community catalog.

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

ralphtradesz / trading-hub

Plataforma de trading gratis y de código abierto para Mac (con guía para portarla a Windows con Claude): footprint, DOM, backtesting anti-sobreoptimización y estrategias con IA. 100 % local.

sourcegit-scm / sourcegit

Open-source cross-platform Git GUI client for Windows, macOS, and Linux with a visual commit graph and interactive rebase.

finna / herdr-hud

Manage your Herdr agents while gaming. Floating desktop HUD for macOS and Windows; Omarchy plugin linked inside.

sharpemu / sharpemu

An experimental PlayStation 5 emulator for Windows, Linux and macOS.

motalim-ai / adawat

Convert, compress and edit any file while you drag it. A free macOS menu bar app in Arabic and English. | حوّل واضغط وعدّل أي ملف وأنت تسحبه.

NickvisionApps / Parabolic

Desktop GUI for yt-dlp that downloads video and audio from hundreds of websites on Linux, Windows, and macOS.

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.

Macro-Deck-App / Macro-Deck

The open-source macro pad with customizable widgets, powerful integrations and a secure plugin ecosystem.

cyanfish / naps2

Desktop app that scans documents from WIA, TWAIN, SANE, and ESCL scanners and saves them as PDF, TIFF, JPEG, or PNG.

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.

zhongkaifu / TensorSharp

A native .NET LLM inference engine and agent runtime for GGUF models. TensorSharp provides a console application, a web-based chatbot interface, iPhone App, and Ollama/OpenAI-compatible HTTP APIs for programmatic access. It supports Windows/MacOS/iOS/Linux with full GPU capability

GlacierGlimmer / zmd-charge-plus

基于zmd-charge二次开发的终末地风格Windows/Linux/MacOS/Android状态栏HUD+。An Endfield-inspired Windows/Linux/MacOS/Android status HUD built upon zmd-charge.

Linsxyx / KugouMusic.NET

基于 .NET 10 与 Avalonia 打造的轻量级跨平台酷狗音乐客户端。

velopack / velopack

Installer and automatic update framework for cross-platform desktop applications

Ruben2776 / PicView

Fast, free and customizable picture viewer

jiuwanzi-hui / Screenshot

SnapCut（简截）——轻巧但不将就的 Windows 和 macOS 截图工作台：框选截图、长截图、区域录屏、钉图取色、标注、OCR 与翻译一体化。支持保留右键菜单和悬浮提示，数据永久留在本机。

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

timschneeb / GalaxyBudsClient

Unofficial Galaxy Buds Manager for Windows, macOS, Linux, and Android

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。

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.

rnwood / smtp4dev

smtp4dev - the fake smtp email server for development and testing

FNA-XNA / FNA

FNA - Accuracy-focused XNA4 reimplementation for open platforms

aprillz / MewUI

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

KloBraticc / Voidstrap

Voidstrap is a simple yet advanced fork of Bloxstrap, advanced customization and improvements.

Ye9137 / CampusConnect

校园 Wi-Fi 自动连接与网页认证助手，支持 macOS 和 Windows。MIT 开源。

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.

ClementGre / ThreeFingerDragOnWindows

Enables macOS-style three-finger dragging functionality on Windows Precision touchpads.

microsoft / BuildXL

Microsoft Build Accelerator

shanselman / PeekDesktop

Click your desktop to peek at it - just like macOS Sonoma.

OutSystems / WebView

Avalonia/WPF control that wraps CefGlue webview control

2fast-team / 2fast

Two-Factor Authenticator Supporting TOTP (Windows 10 & Android, iOS, Linux and macOS App)

Spicywonda / castlevania-chronicles-recomp

Experimental Castlevania Chronicles PS1 recompilation with RecompOne. macOS development, Windows build tooling, original disc required.

ClassIsland / ClassIsland

一款功能强、可定制、跨平台，适用于班级多媒体屏幕的课表信息显示工具，可以一目了然地显示各种信息。

tareqimbasher / NetPad

A cross-platform C# editor and playground.

chatop2020 / AKStream

AKStream是一套全平台(Linux,MacOS,Windows)、全架构(X86_64,Arm...)、全功能的流媒体管理控制接口平台。集成GB28181,RTSP,RTMP,HTTP等设备推拉流控制、PTZ控制、音视频文件录制管理、音视频文件裁剪合并等功能与一体

LightSideKittens / UniText

First & Only Text Engine for Unity. Every language. Every emoji. Every style. Production-grade, extensible, high-performance, built on industry standards.Windows, macOS, Linux, Android, iOS, WebGL

OpenRakis / Spice86

Reverse engineer and rewrite real mode DOS programs!

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.

chickensoft-games / GodotEnv

Manage Godot versions and addons from the command line on Windows, macOS, and Linux.

carlosmozart / PKHeX-Modern

PKHeX Modern: interface moderna do PKHeX (Avalonia) para Windows, Linux, macOS e Android. Modern UI for the PKHeX Pokémon save editor.

t1m0thyj / WinDynamicDesktop

Port of macOS Mojave Dynamic Desktop feature to Windows

MvvmCross / MvvmCross

The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI

dotnet-presentations / dotnet-maui-workshop

A full day workshop (.NET MAUI Workshop in a Box) on how to build apps with .NET MAUI for iOS, Android, macOS, and Windows

shinyorg / shiny

.NET Framework for Backgrounding & Device Hardware Services (iOS, MacOS, tvOS, Android, Windows, Linxux, & Web)

dotpcap / sharppcap

Official repository - Fully managed, cross platform (Windows, Mac, Linux) .NET library for capturing packets

dotnet-bluetooth-le / dotnet-bluetooth-le

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

syncfusion / maui-toolkit

Syncfusion Toolkit for .NET MAUI offers high-quality UI controls to help you build rich, high-performance applications for iOS, Android, macOS, and Windows from a single codebase

rana-gmbh / NetFluss

A light-weight & open-source menubar app that shows current upload & download speed plus the top apps using bandwidth

carina-studio / ULogViewer

Cross-Platform, Agent-Native Universal Log Viewer.

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.