PlayStation

AdriPSX
An open source playstation emulator for Windows.
http://adripsx.psxemu.com/

Console Gaming World - Bleem!
Includes information on the shareware PSX emulator Bleem! and downloads of its updates and patches.
http://www.megagames.com/psx/psx_bleem!.shtml

ePSXe
Freeware emulator for Linux/i386 and Windows.
http://www.epsxe.com/

FPSEce
Free Playstation Emulator for your Pocket PC
http://www.fpsece.net

NeoPSX
An open source emulator in development for Windows.
http://sourceforge.net/projects/neo-psx/

PCSX
An open source emulator for Dreamcast, Linux, and Windows.
http://www.pcsx.net/

PCSX2
Offers emulator for Playstation 2, for Windows and Linux, their plugins, and related downloads.
http://pcsx2.net/

PCSX-df
Open source fork of PCSX for Linux.
http://aboenterprises.ca/pcsx-df/

Playstation Video
Programs that lets you view fmv sequences.
http://www.angelfire.com/or/psxvideo/

PS2 Emulators
Allows you to download PS2 emulators and provides VGS, PCX Playstation emulators and a more work-in progress ps2 emulators.
http://pstools.bizhat.com

pSX
A freeware emulator for Linux/i386 and Windows.
http://psxemulator.gazaxian.com/

Sope
An open source emulator for Linux/Unix systems.
http://sope.sourceforge.net/

Zophar's Domain: Sony Playstation Emulators
Includes information, links, and downloads of 13 different Playstation emulators.
http://www.zophar.net/psx.html