ReactOS is a free, modern operating system in alpha stage, based on the design of Windows XP/2003.
PCE is a collection of microcomputer emulators. At the moment it contains three emulators:
A d3d9 to vk layer based off DXVK's codebase.
Vulkan-based D3D11 implementation for Linux / Wine
RetroArch is a frontend for emulators, game engines and media players.
Turbo.net for Mac runs PC and other apps on Mac without VMs.
Run your Windows applications on OSX without the need of buying a Windows license.
PyWinery is a graphical, easy and simple wine-prefix manager which allows you to launch apps...
Lutris is an open source gaming platform for GNU/Linux.
Bottlenose is a high quality front-end companion app for video game emulators!
Compatibility tool for Steam Play based on Wine and additional components
Windows programs on Linux, easily