Afterglow — classic After Dark screensavers on modern macOS

morphing.cloud

Run classic After Dark screensavers — Flying Toasters, Fish!, Starry Skyline and more — natively on modern macOS. No ROMs or classic Mac system software required.

After Dark was created by Berkeley Systems. Afterglow executes the original 68k modules on the Musashi CPU emulator by Karl Stenerud, atop the after-dark-vm engine.

Download — coming soon GitHub — coming soon

Coming soon · universal binary · requires macOS 14 (Sonoma) or later

Afterglow running the iconic Flying Toasters module on macOS, with the module library in the sidebar and per-module settings on the right.

Features

Runs 125+ modules spanning every After Dark release (1.0–4.0) and themed packs like The Simpsons and Star Trek: TNG.
Native macOS app.
Export any supported module as a standalone macOS screensaver.
Sound, full color, and After Dark 3.0 module support.
Optional CRT shader — scanlines, curvature, and bloom.
Built-in Resource Inspector for exploring a module's resource fork.

Afterglow playing the Doodles module, showing the module library sidebar and per-module settings panel.