a-Linux
http://linuxassembly.org/asmutils.html
http://freshmeat.net/projects/a-linux/
a-Linux is an x86 floppy-based mini-distribution, where assembly code
meets Linux kernel. It contains only programs written in assembly
language. It is extemely small, yet functional, and provides HTTP and FTP
services out-of-the-box. Initial version 0.17 was released August 17,
2002.
BBIagent
http://www.bbiagent.net/en/index.html
BBIagent provides a suite of applications to create the software for
booting a computer as a broadband router and firewall. Based on the
hardware configurations and connection type, you are able to download
your own boot file which is written into a single 1.44MB diskette to be a
boot diskette for the router. This is a Linux based system which uses
Java tools to create a bootable floppy with router software. The
software utilites provided by BBIagent.Net are free to use. Version
1.5.0 was released July 11, 2002. Version 1.8.1 was released May 16,
2003.