OpenEmu

openemu.org

What it is

OpenEmu is an open-source macOS application that emulates many classic video-game systems through a single native front end.

From openemu.org's own pages, read 15 Oct 2026.

OpenEmumacOS desktop app · emulation for personal game backups · donation-supportedFree

As openemu.org lists them, read 15 Oct 2026.

Data plate

Price: Free to use
Free plan: Yes
Free trial: No
Runs on: macOS
Open source: Yes
Website: openemu.org
Apple-silicon limitation: The official 2.4.1 release notes say the distributed binary is Intel-only and requires Rosetta 2 on Apple-silicon Macs.
ARM64 fork issues: The OpenEmu-Silicon documentation warns that some older save states can crash current ARM64 builds and that some cores still have Apple-silicon quirks.
ARM64 fork requirements: The OpenEmu-Silicon getting-started guide requires macOS 11 or later on an Apple-silicon Mac and says Intel Macs are unsupported.
Automatic updates: Sparkle is used for application auto-updating.
BIOS handling: The user guide says some systems require BIOS files and that OpenEmu checks their filenames and MD5 hashes.
Box art: Imported games can receive original box-art artwork in the library.
Controllers: Generic HID-compliant USB or Bluetooth game controllers can work out of the box, with automatic button mapping for recognized devices.
Controller support: Generic HID USB and Bluetooth controllers are supported, with automatic mapping for recognized devices.
Checked: 15 Oct 2026

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