Clonezilla is a partition or disk cloning tool similar to Symantec Ghost. It saves and restores only blocks in use on the hard drive if the file system is supported. For unsupported file systems, dd is used instead. It has been used to clone a 5 GB system to 40 clients in about 10 minutes.
Paludis is a package manager for Gentoo (and derived distributions) and Exherbo. It consists of a core library and a number of console-based clients. Package formats supported include Gentoo ebuilds and kdebuilds (as defined by the Package Manager Specification), the Exherbo exheres-0 format, and various miscellaneous utility pseudo-formats for managing accounts, unwritten and unavailable packages, and packages for which no package exists.
Griffon IDE is an IDE for HTML, Bash, Perl, PHP, C, etc. It allows the generation of source code in a few clicks, avoiding traps. It features auto completion, an integrated terminal, project management for C, SFTP mounting (mounting a directory via an ssh key), automatic replacement of text, and a session management tab.
DOMjudge is an automated judgement system to run programming contests. It provides a mechanism to submit problem solutions and interfaces for teams, the jury, and the general public. It is lightweight, and depends on standard software to do its task. It has a Web interface for portability and simplicity. It is scalable, so distributed judging is easy. There is a modular system for plugging in languages and compilers. It features rejudging, clarifications, and detailed submission/judging info.
Rescatux is a GNU/Linux rescue CD that comes with Rescapp, a nice wizard that will guide you through your rescue tasks. It can restore Grub to the MBR update a Grub configuration, perform filesystem checks, fix a Windows MBR, and more. Features that can indirectly assist the rescue process include chat programs to let you reach human online help, a share log (automatic pastebin), and a share log that uses formatting appropriate for posting on a forum.
pts-console-hu is a collection of fonts, keyboard layouts, and scripts that provide a good font (in several sizes) and several good keyboard layouts with the Euro key for the Linux virtual console (text mode and framebuffer). The package also provides Hungarian keyboard layouts for X11.
Lokiwall is a firewall script for Linux. In addition to the standard function of easily limiting network traffic, it features dual routing (using two Internet connections simultaniously), connection fail-over, load balancing, traffic control, advanced masquerading, advanced DNAT, and advanced marking (to direct specific traffic to a certain interface). The advanced features require some kernel patches. The standard features will work on a default Linux system with iptables and iproute2.
NetAccess is a system for managing the Internet connections for the clients of a small ISP, the computers of a school, the staff of an office, etc. It is made up of a Linux system that is configured to be gateway/router for a LAN of client computers. The configuration of this gateway box is done by some network scripts, and it can be managed through a Web application that is installed in it. The administrator can also use this Web application to allow or disallow the clients to access the Internet.