Best Emulator Software in 2026 · page 2

Hercules

Windows, macOS and Linux emulator for IBM System/370, ESA/390 and z/Architecture programs.

Mesen

Mesen emulates systems from NES and Game Boy to PC Engine, SMS and WonderSwan.

RPCS3

RPCS3 is a PlayStation 3 emulator and debugger; game compatibility varies by title.

gem5

gem5 models computer architectures, processors and memory systems for research and teaching.

Renode

Windows, macOS and Linux framework that models processors, peripherals and connected systems.

WinCDEmu

WinCDEmu opens disc images as virtual drives in Explorer and can create ISO files.

z390

Windows, macOS and Linux toolkit for IBM mainframe assembler and COBOL development and emulation.

Arm Fast Models

Arm Fast Models represent Arm CPUs and System IP, with SystemC links for virtual SoC setups.

Spike (RISC-V ISA Simulator)

Spike models RISC-V harts and includes an interactive debugger for registers, memory and execution.

OpenEmulator

OpenEmulator runs legacy Apple-1 and Apple ][ systems on macOS.

Arm Virtual Hardware

Apple Simulator

Apple Simulator is a free macOS development tool for running simulated Apple devices.

IBM Z Development and Test Environment

Wind River Simics