Nanolinux is a very tiny Linux distribution based on MicroCore Linux with busybox.
It uses Nano-X instead of X11. FLTK 1.3.x is used as the GUI toolkit. The window manager is SLWM.
The following applications are included: Dillo browser FlWriter text processing program Sprsht spread sheet program FLTDJ personal information manager FlMusic CD player FlRadio internet radio FlChat IRC client Antipaint paint program Fluff file manager NXterm terminal emulator Flcalc calculator FlView image viewer Fleditor Games: Tuxchess, NXeyes, Checkers, Blocks, Sudoku, Mastermind Mount tool, system statistics Software package download and install utility NTFS support Grub package for hard disk install OSS sound, Truetype fonts, UTF-8 support
Nanolinux runs completely from RAM. You can remove the LiveCD and play CDs.
Nanolinux on Distrowatch: http://distrowatch.com/table.php?distribution=nanolinux