The JAM Packer
From Just Solve the File Format Problem
The JAM Packer is a multi-function compression program for Atari ST. It was developed by Andrew and Tim Knipe, and distributed as shareware.
- jampack4.lzh - The JAM Packer V4.0 (1991)
- JAMPAK3.ZIP - JAM Packer Decrunch V3.0 (1991?) (No documentation. Not sure what this is.)