FEX-Emu | Linux usermode x86 and x86-64 emulator

FEX-Emu is a fast Linux usermode x86 and x86-64 emulator that allows running x86 applications on ARM64 Linux devices. It offers broad compatibility with 32-bit and 64-bit binaries and can be used with Wine/Proton to play Windows games. FEX supports forwarding API calls to host system libraries and features a per-app configuration system for optimizing performance. It includes an advanced binary recompiler with a custom IR for generating optimized code and a modular core for use as a WoW64/ARM64EC backend in Wine.