EmuNations

WinUAE is a highly accurate Commodore emulator for Windows covering A500, A500+, A600, A1000, A2000, A1200, CD32, CDTV, A3000, A3000T, A4000, A4000T and much more. It's packed with features for high DPI support, multiple Commodore accessories support, native CD and more!

DOSBox Staging is an attempt to revitalize DOSBox's development process. It's not a rewrite, but a continuation and improvement on the existing DOSBox codebase while leveraging modern development tools and practices...

Clownmdemu is a Sega Mega Drive (a.k.a. Sega Genesis) emulator that'sactive and looks promising with support for Motorola 68000 instruction durations, save data, Debugger and accurate window plane emulation.