Windows Desktop GitHub Repositories (2026) · Open Source Tools

Open-source download manager for courses (Udemy/Hotmart), YouTube, music & 1,800+ sites. Built with Tauri 2.0, Rust & Svelte.

A free, open-source Windows desktop organizer with native-feeling WinUI 3 widgets.

BleachBit system cleaner for Windows and Linux

Menu Bar App on MacOS and Windows that cuts Claude Code and Codex token costs by ~50%

Cairo is a customizable, intuitive desktop environment for Windows.

A tiny simple, elegant, internet radio player for Windows which lives completely in the tray.

Project Homepage & Forums

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.

Open-source Windows desktop client and GUI for DeepSeek Harness — zero-setup installer with Codex, plugins, skills, SSH, mobile remote access, and 11 skins.

A cross-platform hardware monitor with real-time metrics, local history, and customizable dashboards.

Let AI agents control Windows applications. Click buttons, type text, toggle settings — all by name, not coordinates. Uses the Windows UI Automation API to find UI elements reliably, regardless of DPI, theme, resolution, or window position.

Multi-account, cross-platform Chat Heads overlay for Windows, macOS, and Linux (Messenger & more). Built for peak performance with Tauri v2, Rust & React.

Win32++: A C++ library for building Windows desktop applications using the Windows API.

SAKURA Editor (Japanese text editor for MS Windows)