Wine - Open Source Software for running Windows applications on other operating systems.

GameCopyWorld - An index for Game Backup Instructions, No CD Patches, and Game Trainers

CodeWeavers CrossOver - Don't buy a Windows license, don't reboot and don't use a Virtual Machine. Try a free trial of CrossOver to run your Windows software on Mac, Linux and Chrome OS.

Fling Trainer - Fling Trainer gives you the opportunity to download PC Game Cheats and Mods for many games without asking for any payment in return.

Darling - Run macOS applications on Linux

WeMod - Personalize your gaming experience Thousands of free mods and trainers for your favorite single-player PC games — all in one place.