Feather Linux
Feather Linux, created by Robert Sullivan, was a Knoppix-based operating system which fits in under 128 MB. It boots from either a CD or a USB flash drive, into a Fluxbox desktop environment. It has a wide range of desktop and rescue software, and can load entirely into RAM or be installed to a hard drive. Feather Linux contains GTK+ applications, such as AbiWord and Pidgin. Feather Linux has tried to include software that people would frequently be using on their desktop.
It is only available on the x86 architecture. It can run on a 486 or higher, and requires 16MB RAM to run on the console, and 24MB RAM to run the X server.
According to DistroWatch, Feather Linux is discontinued and its was on 2005-07-04. The is no longer available.
Feather Linux and Damn Small Linux share some common goals.