https://github.com/PCSX4/PCSX4
To appear legitimate to skeptics, the creators established a GitHub presence to claim the project was "semi-open source". pcsx4 github link
The "download" process requires you to complete surveys that never actually unlock a functional file. https://github
: A rapidly growing, open-source emulator for Windows, Linux, and macOS that has shown promising progress in booting commercial games. open-source emulator for Windows