Apps similar to Protontricks include Wine, which is free and open source. Other options are Proton, ReactOS, PlayOnLinux - PlayOnMac and Bottles. Compatibility Layer Tools like Protontricks are a crowded field, with more than 25 alternatives for Linux, Mac, Windows, Android and Chrome OS.
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...
This project provides DLL wrappers for the DirectX 1-9 graphics components. Its purpose is to disable the use of the Direct3D 9 user-mode display driver provided by GPU vendors. This forces the runtimes to use D3D9On12 instead.
Using bare Wine and DOSBox usually gives problems when launching a mixture of Windows and MS-DOS applications.
