Emulator files

Multi-System

BIOS files for RetroArch cores and mednafen standalone. ^mirror

BIOS files for MESS

Nintendo

Famicom (NES)

Famicom Disk System BIOS

Super Famicom (SNES)

DSP1b for higan/bsnes

SNES Coprocessor ROMs for bsnes v92+ libretro

Satellaview BIOS

Nintendo 64

Collection of N64 Emulators and Plugins

LLE RSP plugin for Project64

pifrom.bin and N64DD IPL for CEN64

GameCube/Wii

GameCube BIOS

DSP-LLE for Dolphin

Original GameCube fonts (Only has Japanese fonts)

Swiss-GC .dol for 'native' widescreen

Wii Network Certs

Game Boy Color

GBC BIOS

Game Boy Advance

GBA BIOS

Nintendo DS

NDS BIOS

SONY

PlayStation

PS1 BIOS (MD5 Hashes)

PS1<->PSP Save Converter - Converts PS1 (.mcr) to PSP's PS1 (.vmp) save format and vice versa.

PlayStation 2

PS2 BIOS ^mirror (MD5 Hashes)

PSP

Original PSP Fonts

PleyStation 3

PS3 LLE Modules

PS3 Fonts

SEGA

Sega CD

Sega CD BIOS

Dreamcast

Dreamcast BIOS for nullDC  (MD5 Hashes)

Dreamcast/Naomi/Hikaru BIOS pack for DEMUL

Microsoft

Xbox

Xbox BIOS and files for XQEMU.

Xbox files for MAME (MCP-X bootrom included is a bad dump)