MuLinux was also a floppy-based “live” distro, with optional floppy disks for X11, programming languages, etc.
There was also "Tom's Root Boot" distro that fitted on a floppy:
https://en.wikipedia.org/wiki/Tomsrtbt
alt Hacker News
There was also "Tom's Root Boot" distro that fitted on a floppy:
https://en.wikipedia.org/wiki/Tomsrtbt