GDI, OpenGL and Direct3D 9 re-implementation of the DirectDraw API for classic 2D games for better compatibility with Windows ME, 2000, XP, Vista, 7, 8, 10, 11, Wine (Linux/macOS/Android) and Virtual Machines

D2DX is a complete solution to make Diablo II run well on modern PCs, with high fps and better resolutions.

bsnes-based SNES emulator featuring integer (pixel-perfect) scaling, PNG screenshots, multi­language user interface, built-in hotkeys, bug fixes, etc.

Library for calculations for pixel-perfect integer-ratio image upscaling (C /Rust/JS/PHP) testcases

Free app for Windows 7 for GPU-independent pixel-perfect (integer) scaling

Calculations for pixel-perfect integer-ratio image upscaling. This separate PHP-version repo is just for Packagist.