Finnix is a small, self-contained, bootable Linux CD distribution ("LiveCD") for system administrators, based on Debian testing. You can use it to mount and manipulate hard drives and partitions, monitor networks, rebuild boot records, install other operating systems, and much more.
Powertweak-Linux is a tool to tune your system to its optimal performance settings. It started life as the replacement for the now obsolete kernel option 'tune PCI bridges', and has been extended to provide more features and support more chipsets. It can also tune network/filesystem performance using /proc/sys entries, disk elevator settings, and x86 CPU registers (needs 2.2.18 or 2.4.0test kernel), CDROM speeds, hdparm type features, and Sony VAIO backlight. It has both a GTK GUI and a text-based lister.
Einarc is a unified storage RAID command line interface and an API that provides management for various hardware/software RAID devices, uniting them all in a single paradigm. Einarc works as a translator that makes it possible for a user to control all these devices using simple terms like "physical disc", "logical disc", "adapter", etc., while transparently converting these requests to proprietary RAID paradigms.
MegaTunix is a tuning application for the MegaSquirt EFI (Electronic Fuel Injection) ECU, a semi-open design hardware fuel injection controller usable on just about any internal combustion engine. It supports most recent MegaSquirt firmwares for the MS-1, MS-2, and MS-2 Extra series. Also included is support for the JimStim ECU debugging tool and the 3rd party Performance Injection System (PIS) firmware retrofit for GM ALDL ECUs. MegaTunix includes an intelligent ECU interrogator, very flexible data logging, and a configurable and extendable GUI.
YanC (Yet another nV Configurator) is a small tool which you can use to change the nVidia and ATI-specific settings (almost) as easily as with the Windows drivers. You can edit the settings for AGP support, the Cursor Shadow, the nVidia logo, Digital Vibrance Control, and, of course, TwinView for the nVidia drivers. For the ATI drivers, it offers support for the overlay settings, anti-aliasing, and dual monitor configuration.
Helpcore is an enterprise grade help and servicedesk application. It acts as a central information hub for everybody that is involved in the help and service desk process. Managers can see overview and decision making information, system administrators can see the status of their network and software, and users can see the current status of their problems.