Proton is described as 'tool for use with the Steam client which allows games which are exclusive to Windows to run on'. There are more than 10 alternatives to Proton for a variety of platforms, including Linux, Mac, Wine, Windows and BSD. The best alternative is Wine, which is both free and Open Source. Other great apps like Proton are Lutris (Free, Open Source), PlayOnLinux (Free, Open Source), ReactOS (Free, Open Source) and Parallels Desktop (Paid).
- 19 alternatives