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Persistence of Phosphor is a little visual screensaver-like modules runner. It only requires 200KB of free RAM and runs on any color Mac. Persistence of Phosphor only runs DALI modules which 25 of them are provided in the download archive.
Persistence_Of_Phosphor.sit (46.01 KiB / 47.11 KB)
Persistence of Phosphor + 25 DALI modules / compressed w/ Stuffit
Runs on any color Macintosh
System 7.x - Mac OS 9.2.2
At least 200KB of free RAM
Note: On recent hardware, you might want to throttle the CPU down much, as it will render way too quickly.
Emulating this? It should run fine under: Basilisk II