Recently developer daeken obtained initial kernel output on the EmpireOfSteel prototype C# PS4 / PS5 Emulator currently in early development for Sony PlayStation Emulation enthusiasts via PC. 
Download: EmpireOfSteel-main.zip / GIT
As noted in the Tweets below this comes following various other PlayStation 3 Scene, PlayStation 4 Scene and PlayStation 5 Scene emulation projects (sorted by date, with the oldest first) including:
Download: EmpireOfSteel-main.zip / GIT
As noted in the Tweets below this comes following various other PlayStation 3 Scene, PlayStation 4 Scene and PlayStation 5 Scene emulation projects (sorted by date, with the oldest first) including:
- Nucleus PS3 / PS4 Open-Source PC Emulator
- PlayStation 4 Virtualization
- Experiments in PS4 Emulation
- Orbital PlayStation 4 Emulator
- Spine PlayStation 4 Emulator for Linux
- PS4 Compatibility Layer Uplift for Orbis on Windows
- PS4Delta: Experimental Host for PS4 Games on Windows
- GPCS4 PlayStation 4 Emulator for PC
- Spine PS4 Emulator for Linux Updated
- PlayStation 4 Emulator RPCS4 Updates
- RPCS3 PS3 Emulator Updates
- Kyty PS4 and PS5 Emulator Project in Development
- FPPS4: Free Pascal PS4 Compatibility Layer Emulator
