Roms Mania - A working online resource for roms.
Play! PS2 Emulator - Play! is an attempt at creating an emulator for the PlayStation 2 console on the Win32 platform.
Gamulator - Gamulator is the n.1 place to find and download all the retro roms, iso's and games for your arcade emulator.
PCSX2 - PCSX2 a Playstation 2 emulator for android, Linux and Mac
Retrostic - Free ROMs download for GB, GBC, GBA, NDS, N64, NES, SNES, Sega, Atari and more. No hidden viruses, just download your ROM and ISO files and play them using an emulator.
RPCS3 - RPCS3 is an open-source Sony PlayStation 3 emulator for Windows and Linux written in C++.