PCSX-Redux - PCSX-Redux is the latest iteration of PCSX, still supported today, and mainly focused on development and reverse engineering. Works on Windows, Linux, and MacOS.
Duckstation - Duckstation is a fast, accurate, and easy-to-use PlayStation emulator for Windows, Linux, MacOS, and Android.
Mednafen - Mednafen is a cross-platform, multi-system emulator with PlayStation support.
https://github.com/tetious/pcsxr - PCSX-Reloaded is a PlayStation Emulator based on PCSX-df 1.9, with support for Windows, GNU/Linux, and Mac OS X.
https://github.com/joroOnLinux/pcsxr-1.9.92-Optimized - pcsxr-optimized
https://github.com/briaguya/gpuPeopsOpenGL-camera - PSX Open GL Graphics plugin with camera movement
https://github.com/myst6re/highly_experimental - PSX Emulator made to emulate the SPU
https://github.com/thentenaar/psx-gs - Gameshark Plugin for ePSXe 1.6-1.9
http://problemkaputt.de/psx.htm - nocash Playstation PSone emulator by martin korth