KaeilOS embedded - Formerly Klinux by Koan sas; KaeilOS is an italian GNU/Linux embedded distribution GPL Open Source for industrial applications. It includes an integrated development environment (IDE) and debugging instruments for embedded and real time systems. Klinux is - http://www.koansoftware.com/kaeilos/
Midori Linux - Midori Linux is an Open Source project for delivering system software on small devices. It includes a build system, a Linux kernel with memory- and storage-conserving features, and system-level support for normal Linux software on platforms which might ot - http://midori.sourceforge.net
PeeWeeLinux - a small Linux distribution aimed at embedded devices. One of the goals of PeeWeeLinux is to make the configuration and installation of the Linux OS on an embedded platform "as painless as possible" - http://www.peeweelinux.com/
Wilibox - Provides embedded Linux based software distribution for wireless and wired appliances. - http://www.wilibox.com
ElinOS - By Sysgo AG: Embedded Linux OS, for industrial uses, smart devices; cross development environment Linux-based. Descriptions, lists, boot strategies, cross development, training, and ordering information.. English, German. - http://www.sysgo.com/en/produkte/elinos/
White Dwarf Linux - By EMJ Embedded Systems and Blast Internet Services; graphical package based installer, 2 glibc options, GCC, several TCP/IP tools, Apache Web server; PPP drivers, scripts. - http://www.whitedwarflinux.org/
fd0os fd0 GNU/Linux - One floppy sized embedded OS: 2.0.x kernel, 4 virtual terminals, RAM drive support, 10 types of network interface cards (NICs), text user interface menu, full sources. Description, downloads, contact, purchase option. - http://www.mpthrill.com/fd0os/
Linux on Ipaq - Describes the installation of Linux on IPAQ with screenshots - http://www.cfar.umd.edu/~arvind/linuxonipaq.htm
MontaVista - Offering open source software solutions for the embedded Linux systems market. - http://www.mvista.com/index.html
Linux Embedded Appliance Firewall - An easy to use embedded Linux network appliance for use in small office, home office, and home automation environments primarily used as a gateway/router/firewall for Internet. - http://leaf.sourceforge.net/
RedBoot - Information concerning the RedBoot embedded system boot monitor and debug firmware. - http://sources.redhat.com/redboot/
EmbLin - Modular embedded Linux, includes httpd + cgi, ftpd, and snmp. Free download. Site has some humorous Javascript. - http://www.dobit.com/emblin/
Embedded Debian Project - Unofficial project to develop embedded Debian GNU/Linux, and make it a natural choice for embedded uses. - http://www.emdebian.org/
uClinux - uClinux: Microcontroller Linux. Port of Linux 2.0 to systems with no Memory Management Unit; for now, supports only Motorola MC68000 derivatives. - http://www.uclinux.com/