Feather Linux is a Linux distribution which runs completely off a CD or a USB pendrive and takes up under 64Mb 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 0.5.8, it includes:
Kernel 2.4.26, Ted, ABS, Dillo (patched for frames and tabs), XMMS and plugins, wavplay, mpg321, ogg123 and other Ogg Vorbis tools, Sylpheed, axyFTP, emelFM, cdrecord, mkisofs, rdesktop, tcpdump, parted, partimage, aircrack, dnsmasq, foremost, antiword, e2undel, iftop, bbpager, utelnetd, minicom, index, gpart, socat, traceroute, SciTE, prozilla, Midnight Commander, Samba, apsfilter, mplayer, mount.app, chntpw, zile, tinycc, nano, Xpaint, Xzgv, Xpdf, naim, hdparm, usbview, index, recoverdm, mtr, cdparanoia, betaftpd, Mutella, Chipmunk Basic, gqcam, e3, lua, ettercap, wavemon, iptables, recover, amap, hping2, cabextract, splitvt, pciutils, LinNeighborhood, nmap and nmapfe, portmap and nfs-common, aumix, CTorrent, VNCviewer, sqlite, links-hacked, 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.