(There's no video for CoSA After Effects 1.0 yet. Please contribute to MR and add a video now!)
This is After Effects 1.0 from 1992, before it was purchased by Adobe.
After_Effects_1.0.sit (853.7 KiB / 874.19 KB)
CoSA After Effects v1.0 / compressed w/ Stuffit
At least 4MB of free RAM (recommended 8MB, depending on your project's size)
Mac OS 7.x - Mac OS 9.2.2
Emulating this? It should run fine under: Basilisk II