The Linux clone() project - "to further the "cause" of the clone() system-call by distributing knowledge about the problems, benefits, bugs, usage,and current status of the ... system-call"
Deception Toolkit Home Page - the DTK is "intented to make it appear to attackers as if the system has a large number of widely known vulnerabilities", as a form of protection.
Purp - Anders Korlsson's kewl ncurses RPM package manager
Mozilla.org - Netscape Technical Resource Center for Navigator/Communicator source
X-Accountant - Personal Finance Software (GPL-ed "Quicken" clone)
Alien package converter - "Alien is a program that converts between the rpm, dpkg, and slackware tgz file formats"
The DOSEmu Home Page - The Ugly Duckling of Linux - DOSEmu stands for DOS Emulation, and is a Linux application that enables the Linux OS to run many DOS programs including some DPMI apps
The FreeDOS Project - not directly related to Linux, but may be useful with DOSEmu
PnP driver for Linux - "...a project to create support within the Linux kernel for handling Plug and Play (and other semi-PnP) devices in a clean, consistent way."
KURT: The KU Real-Time Linux - To service a wider range of requirements, we have developed a firm real-time Linux. We call this system "KURT" Linux for KU Real-Time Linux.
Cross-ELF - "package that gives you everything you need to run the same ELF 32 bit 386 object files on a variety of operating systems (Linux, Dos and Win32)."
Linux-GSSAPI -Generic Security Service Application Program Interface (GSSAPI)
Linux and the Orange Book - making Linux compliant with security classifications discussed in the "(U.S.) Department of Defense Trusted Computer System Evaluation Criteria"
The Linux News Agency - product release announcements or updates, security vulnerabilities, etc.