Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Free and open-source emulator for Nintendo 64
Customized C# Intel 8080 emulator
Complete, Fast, Accurate, Game Boy/CGB/SGB Emulator.
An 8 bit emulator created on the scratch, including an assembler.
Gelide, a configurable frontend for desktops.