Libretro port of Meteor GBA emulator.
A libretro emulation core for the Mattel Intellivision designed to be compatible with joypads from the SNES era forward
Snes9x 2002. Port of SNES9x 1.39 for libretro (was previously called PocketSNES). Heavily optimized for ARM.
Final Burn Alpha 2012. Port of Final Burn Alpha to Libretro (0.2.97.24). Standalone core for Capcom CPS1.
Libretro port of X Millennium Sharp X1 emulator svn at http://amethyst.yui.ne.jp/svn/x1/xmil/trunk/
MAME 0.78 for libretro. Compatible with MAME 0.78 romsets.
2000 version of MAME (0.37b5) for libretro. Compatible with iMAME4All/MAME4Droid/MAME 0.37b5 romsets.
atari800 3.1.0 for libretro/libco WIP
Neko Project 2 (PC98 emulator) port for libretro/RetroArch
DS emulator, sorta
Cross-platform, sophisticated frontend for the libretro API. Licensed GPLv3. (Steam-testing)
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).
Port of uae4arm for libretro (rpi/android)
Fast MegaDrive/MegaCD/32X emulator