EmuNations

Denise is a cycle accurate and platform independant c64 & amiga emulator with CRT shaders, runAhead, drag'n'drop and command line support. It also has fast loaders such as ProfDOS, PrologicDOS, DolphinDOS, ProSpeed 1571, Turbo Trans and 1571 floppy emulation...

PCSX2 is an open-source emulator using a combination of MIPS CPU Interpreters, Recompilers and a Virtual Machine to manage hardware states and PS2 system memory. It has been running for more than 10 years and can run over most titles at full speed...

DXVK provides a Vulkan-based translation layer for D3D8 (D8VK), D3D9, D3D10, D3D11 & D3D12. It can be used on Linux with Wine to allow running 3D apps and games designed for Windows on GNU/Linux systems through Wine.