For more history on FrameMaker, here's a writeup by one of the founders - https://walden-family.com/david-murray/frame-posted.pdf https://walden-family.com/davi

For more history on FrameMaker, here's a writeup by one of the founders - https://walden-family.com/david-murray/frame-posted.pdf https://walden-family.com/david-murray/frame-posted.pdf The article talks mentions Interleaf as their main competitor.