gameboyadvance

mGBA is an open-source Game Boy Advance emulator

Community-maintained, improved version of the VisualBoyAdvance Game Boy emulator

Multi-system emulator (NES, SNES, GB, GBA, PCE, SMS/GG, WS) for Windows, Linux and macOS.

ares is a cross-platform, open source, multi-system emulator, focusing on accuracy and preservation.