Feather Linux is a Linux distribution which runs completely off a CD or a USB pendrive and takes up under 115Mb of space. It is a Knoppix remaster (based on Debian), and tries to include software which most people would use every day on their desktop.

As of version 0.7.5, it includes: Kernel 2.4.27, Abiword, siag, Dillo, Firefox, Captive-NTFS, gaim, ethereal, vim, Sylpheed, XMMS and plugins, Imposter, IceWM, wavplay, mpg321, FreeNX, John the Ripper, Tcl, qemu, kismet, abcde, macchanger, screen, paketto, ogg123 and other Ogg Vorbis tools, axyFTP, fireftp, rox-filer, cdrecord, mkisofs, rdesktop, tcpdump, parted, partimage, xfsprogs, Rhapsody, didiwiki, torsmo, GNUpod, GRUB, dsniff, aircrack, madwifi, dnsmasq, foremost, antiword, e2undel, iftop, bbpager, utelnetd, minicom, index, gpart, socat, traceroute, SciTE, prozilla, Midnight Commander, Samba, elmo, tmsnc, apsfilter, gmplayer, mount.app, chntpw, tinycc, nano, Xzgv, Xpdf, naim, hdparm, usbview, index, recoverdm, mtr, cdparanoia, betaftpd, Chipmunk Basic, gqcam, e3, lua, cdparanoia, giFTcurs, mtools, emelfm2, vncdec, elhttp, quagga, ettercap, wavemon, iptables, recover, amap, hping2, cabextract, splitvt, pciutils, LinNeighborhood, nmap and nmapfe, portmap and nfs-common, aumix, CTorrent, VNCviewer, sqlite, SSH and SCP, DHCP client, xtdesktop, PPP and PPPoE support, NTFS resize support, an RSS reader, stress, cpuburn, the Monkey webserver, Xcalc, Fluxbox, evilwm, the XBase apps, and the various standard console and system tools.

Feather should be able to run on a 486 with 16Mb of RAM, but only in console (non-graphical) mode. To use X, 24Mb of RAM or more are required.