CMatrix simulates the display from “The Matrix” and is based on the screensaver from the movie’s website. It works with terminal settings up to 132×300 and can scroll lines all at the same rate or asynchronously and at a user-defined speed.
[ http://sourceforge.net/projects/cmatrix/ ]

CLEX (pronounced KLEKS) is a file manager with a full-screen user interface. It displays directory contents including the file status details and provides features like command history, filename insertion, or name completion in order to help users to create commands to be executed by the shell. CLEX is a versatile tool for system administrators and [...]

Linuxpoison wrote a howto on fixing diskerror and badblocks. The process includes identifying the badblocks and saving them on a file and then feeding the file to fsck to check and fix any issues.
To identify bad block: badblocks /dev/hda1 > test
Thans use fsck to fix issues: fsck -t ext3 -l test /dev/hda1

BIEW (Binary vIEW) is a free, portable, advanced file viewer with built-in editor for binary, hexadecimal and disassembler modes. It contains a highlight PentiumIII/K7 Athlon/Cyrix-M2 disassembler, full preview of MZ, NE, PE, LE, LX, DOS.SYS, NLM, ELF, a.out, arch, coff32, PharLap, rdoff executable formats, a code guider, and lot of other features, making it invaluable [...]