Suyu has been taken down, for now anyways...

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BigPEmu is an Atari Jaguar emulator with allegedly compatibility of the entire retail cartridge library. The goal is also to achieve system-wide cycle-accurate timing. Other quality of life features include saved states, movies, support for different types of controllers, shaders, native HDR and much more...
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ScummVM is a program which allows you to run certain classic graphical adventure and role-playing games, provided you already have their data files. The clever part is by replacing the executables shipped with the games, allowing you to play them on systems for which they were never designed...
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NanoBoyAdvance is a multiplatform Game Boy Advance emulator focusing on accuracy. It has been reported its CPU and timing emulation is more accurate than software emulators. It also has HQ audio mixer and quite a few other nice post-processing options (ghosting simulation, color correction, etc.)...
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