PCSX2 is a free and open-source PlayStation 2 (PS2) emulator. Its purpose is to emulate the PS2's hardware, using a combination of MIPS CPU Interpreters, Recompilers and a Virtual Machine which manages hardware states and PS2 system memory.
Features
custom resolutions and upscaling
virtual and sharable memory cards
save-states
patching system
internal recorder to achieve lossless quality at full speed