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Open source

Credits

REG Linux wouldn't exist without these projects. We pick, adapt, and integrate their work. All credit goes to the original teams.

Build System & OS Foundation

Buildroot

Cross-compilation build system that generates the entire REG Linux root filesystem.

buildroot.org

Linux Kernel

The kernel. REG Linux ships mainline LTS plus board-specific forks for ARM devices.

kernel.org

U-Boot

Bootloader for ARM, RISC-V, and MIPS devices.

u-boot.org

SDL3

Window, input, and audio abstraction layer. Powers all emulators and the frontend.

libsdl.org

Mesa 3D

Open-source GPU drivers: Panfrost, Lima, Freedreno, V3D, VC4.

mesa3d.org

Distribution Upstreams

Armbian

Kernel patches, device trees, and board support for ARM SBCs.

armbian.com

LibreELEC

Immutable OS architecture and Buildroot packaging patterns.

libreelec.tv

Batocera

EmulationStation frontend, packaging recipes, and emulator integration. REG Linux forked from Batocera.

batocera.org

ROCKNIX

Handheld device support, controller configs, and suspend/resume fixes.

rocknix.org

KNULLI

Budget handheld support and Allwinner/RK3128 board work.

knulli.org

Emulators

RetroArch RetroArch MAME MAME Dolphin Dolphin PCSX2 PCSX2 PPSSPP PPSSPP RPCS3 RPCS3 DuckStation DuckStation Flycast Flycast melonDS melonDS Mupen64Plus Mupen64Plus Snes9x Snes9x DOSBox DOSBox VICE VICE Hatari Hatari xemu xemu

Game Engines

ScummVM ScummVM OpenBOR OpenBOR EasyRPG EasyRPG Solarus Solarus Love2D Love2D Ruffle Ruffle

This list covers the major upstream projects. REG Linux includes 100+ libretro cores and dozens more libraries and tools. If we use your work and you're not listed, let us know.