Steam emulator that emulates steam online features. Lets you play games that use the steam multiplayer APIs on a LAN without steam or an internet connection.

Proton is described as 'Tool for use with the Steam client which allows games which are exclusive to Windows to run on Linux kernel operating system. It uses Wine to facilitate this' and is a very popular compatibility layer tool in the gaming software category. There are more than 25 alternatives to Proton for a variety of platforms, including Linux, Mac, Wine, Flathub and Windows apps. The best Proton alternative is Wine, which is both free and Open Source. Other great apps like Proton are WinBoat, PlayOnLinux - PlayOnMac, Bottles and ReactOS.
Steam emulator that emulates steam online features. Lets you play games that use the steam multiplayer APIs on a LAN without steam or an internet connection.

WineZGUI (pronounced Wine-Zee-Goo-Eee) is a wine frontend for playing windows games with wine easily. It is a collection of Bash scripts for Wine Prefix Management and Linux Desktop Integration for easier wine gaming experience using Zenity.


Using Wineskin technology, Porting Kit is a PaulTheTall.com app that can install games and apps compiled for Microsoft Windows® in Mac OS X. It has access to a server where we store WSI files for more than 300 games, which can be installed by any Porting Kit user.


A warm and cozy, open-source operating system compatible with existing apps, games and drivers. The main idea is to efficiently create a compatible environment for existing software and provide the best user experience on a personal computer.

GreenteaOS is the most popular Self-Hosted alternative to Proton.
Even if Windows supports DirectX natively, using WineD3D can enhance backwards compatiblity with older games, especially on Windows 8 and newer that don't support 16 bit screen modes. Another possible use is to emulate unsupported versions of DirectX, or porting DirectX...

This is Hangover, a project started by André Zwing and Stefan Dösinger in 2016 to run (x86_64)/x86_32 Windows applications on aarch64/(ppc64le)/x86_64 Wine. (Architectures in brackets are currently not supported).
DDrawCompat is a DLL wrapper aimed at fixing compatibility and performance issues for games based on DirectDraw and Direct3D 1-7. Partially supports GDI as well. There is no API conversion involved, most of the rendering is still done by the native DirectDraw/Direct3D 1-7 and...
Vineyard is a collection of tools and libraries designed to make managing Windows programs on Linux easier. More specifically, it aims to improve the integration of Wine and the Free Desktop and to make it easier to create programs and tools that integrate with Wine.



Turbo.net for Mac runs PC apps on your Mac without having to install a Virtual Machine.




Turbo.net for Mac is the most popular Web-based & iPad alternative to Proton.