Audio decoding libraries for C/C++, each in a single source file.

Standalone library for reading MAME's CHDv1-v5 formats.

Primary boot loader used to package the instructions to boot the kernel

Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3.

Snes9x 2002. Port of SNES9x 1.39 for libretro (was previously called PocketSNES). Heavily optimized for ARM.

ARM optimized PCSX fork

MAME 0.78 for libretro. Compatible with MAME 0.78 sets.

Updated 2018 version of MAME (0.78) for libretro. with added game support plus many fixes and improvements

2000 version of MAME (0.37b5) for libretro. Compatible with iMAME4All/MAME4Droid/MAME 0.37b5 sets.

gpSP for libretro.

Game Boy / Gameboy Color emulator and debugger for macOS, Windows, Linux, BSD and RetroArch.

Port of xRick to the libretro API. xRick is a game engine for the classic game Rick Dangerous by dissolved developer Core Design.

Libretro port of X Millennium Sharp X1 emulator svn at http://amethyst.yui.ne.jp/svn/x1/xmil/trunk/

A port of the SEGA Visual Memory Unit emulator VeMUlator for libretro.

Port of Vecx to the libretro API.

Virtual Game Platform

A libretro port of the microw8 fantasy console based on wasm3

Libretro port of Tyrquake (Quake 1 engine)

Libretro core for Thomson MO/TO emulation / Core Libretro pour l'émulation des ordinateurs Thomson MO/TO.

Port of Stella to libretro.

Snes9x 2005. Port of SNES9x 1.43 for libretro (was previously called CAT SFC).

Improved port of SMSPlus-GX by gameblabla for libretro

ScummVM with libretro backend.

Flashback engine reimplementation

This is the RACE NGPC emulator modified by "theelf" to run on the PSP. It is likely forked from the Akop Karapetyan PSP version of RACE (http://psp.akop.org/race).

The QuickNES core library, originally by Shay Green, heavily modified

A port of QUASI88, a PC-8800 series emulator by Showzoh Fukunaga, to the libretro API