Marathon Shape Editors

Marathon Shape Editor (MSE) - Pretty simple to use and gets right to the point. Not many functions beyond copying & pasting are available. Supports CLUT editing

Current Version:
MSE was found at:
AMUG, America Online

Marathon Shape Installer (MSI) - Although more advanced than MSE, it crashes a lot more. Supports shape animation. Still in beta stages.

Current Version:
MSI was found at:

Pfhred - Although it is also still in development, Pfhred seems to be the furthest along among all of them. It features shape animation, sophisticated coordinates, clut editing, and more

Current Version:
1.2a (?)
Pfhred was found at:
AMUG, Info-mac