Win32 GitHub Repositories (2026) · Open Source Tools

SumatraPDF reader

Display Dynamic Island on Windows

Windows player that runs video, photos or GIFs through NVIDIA's DLSS 5 neural renderer, then compares the result with the original frame by frame. Local files or YouTube. Needs an RTX card and driver 610.47+. Community project, unsigned runtime. C++20, D3D12.

A native glass desktop for Windows 11: floating taskbar and desktop widgets with real-time refraction. Architecture review and verified feasibility probes.

WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.

The Windows App SDK empowers all Windows desktop apps with modern Windows UI, APIs, and platform features, including back-compat support, shipped via NuGet.

static translator for dos/win32 executables

Real-time 3D viewer for displaying LDraw models

A Windows application framework for Swift

Aero Glass For Windows 10+

Pick a time and let your computer shutdown itself.

Tool that allows comparing symbol, type and syscall information of Microsoft Windows binaries across different versions of the OS, using a Web UI and/or LLMs.

Fast, lightweight markdown viewer & reader for Windows. Native C++ with Direct2D — <5MB binary, <100ms startup, no Electron. 10 themes, TOC, search, edit mode.

A pure-Python library that lets you inspect, modify and search the memory of any running process in a few lines of Python :snake: .

Ruby Cross-Platform GUI extension

A dock and a launcher for Windows. Replaces the taskbar. Alt+Space grows the dock into a launcher. Rust and Win32, one ~1.5 MB exe.

Run real Windows 98 apps and games in your browser. An x86 emulator and Win32 layer written directly in WebAssembly Text, no OS image, no source ports.

Run classic Windows games in your browser. A high-level-emulation engine that boots real x86 Windows executables and reimplements Win32, COM and DirectDraw/Direct3D on WebGPU, WebAudio and OPFS

A decompilation and future source port of Roblox (December 2007)