OpenEmulator

Spec sheet

Purpose

OpenEmulator aims to be an accurate, portable emulator of legacy computer systems.Read 11 Oct 2026 · openemulator.github.io

Additional snapshot support

The snapshot archive lists Apple //e, AE RAMFactor, and WOZ disk image support among its additional patches.Read 11 Oct 2026 · archive.org

Additional systems

The project says it would welcome help emulating additional systems.Read 11 Oct 2026 · openemulator.github.io

Community

The site links to the OpenEmulator GitHub project and a Google Groups discussion forum.Read 11 Oct 2026 · openemulator.github.io

Community contact

The project’s GitHub profile lists a Google Groups email address for contact.Read 11 Oct 2026 · github.com

Distribution

The snapshot archive says its builds include the necessary third-party libraries and ROMs and can be downloaded and run.Read 11 Oct 2026 · archive.org

Download platform

The official site links a download for macOS 10.9 and later.Read 11 Oct 2026 · openemulator.github.io

Emulated systems

The site lists Apple-1, including Replica-1 and A-ONE variants, and Apple ][, including original, II+, II Europlus and II J-Plus models.Read 11 Oct 2026 · openemulator.github.io

Expandable design

Its software components framework lets users expand emulation with additional software devices, like adding real devices to a physical system.Read 11 Oct 2026 · openemulator.github.io

Expansion

Its software components framework allows emulation to be expanded with additional software devices.Read 11 Oct 2026 · openemulator.github.io

Maintainer credit

The official site credits Marc S. Ressl for 2009–2012 and the OpenEmulator Project for 2013–2019.Read 11 Oct 2026 · openemulator.github.io

Project contact

The GitHub organization page lists [email protected] as its contact email.Read 11 Oct 2026 · github.com

Project contributors

The project site credits Marc S. Ressl for 2009–2012 and the OpenEmulator Project for 2013–2019.Read 11 Oct 2026 · openemulator.github.io

Snapshot additions

The snapshot page lists added Apple //e support, AE RAMFactor support, and WOZ disk image support among its patches.Read 11 Oct 2026 · archive.org

Snapshot build

An Internet Archive page for OpenEmulator snapshots lists version 1.1.1, compiled 2022-03-11, requiring macOS 10.11 or later and running natively on Intel and Apple Silicon.Read 11 Oct 2026 · archive.org

Snapshot distribution

The snapshot page says builds include necessary third-party libraries and ROMs and can be downloaded and run.Read 11 Oct 2026 · archive.org

Snapshot version

The linked snapshot archive lists version 1.1.1, compiled March 11, 2022, requiring macOS 10.11 or later and running natively on Intel and Apple Silicon.Read 11 Oct 2026 · archive.org

Windows port

The project says it would welcome help porting the application to Windows-based operating systems.Read 11 Oct 2026 · openemulator.github.io

Windows support

The project says it would welcome help porting the application to Windows-based operating systems.Read 11 Oct 2026 · openemulator.github.io

Where Specifiction places it

• Emulator Software#35 of 396.8
• Multi-System Emulators#51 of 546.7