Tool Profile

MacMind

HyperCard demo of a transformer neural net running on a 1989 Macintosh.

At a glance:

First seen:2026-04-17

Last seen:2026-04-17

Sightings:1

Source:github.com

What it is

HyperCard demo of a transformer neural net running on a 1989 Macintosh.

Why developers recommend it

Retro AI-on-old-hardware is exactly the kind of delightful constraint play HN latches onto.

Hacker News evidence

2026-04-17

Commenters called it quietly impressive, loved the old-HyperCard feel, and said it reminded them of early backprop days.

Show HN: MacMind – A transformer neural network in HyperCard on a 1989 Macintosh