cbrPager is a simple to use, small viewer for cbr, cbz and cb7 (comic book archive) files. As it is written in C, the executable is small and fast. It views jpeg, gif and png images, and you can zoom in and out.

SDCC is a C compiler for the Intel MCS51 family, HC08, PIC, GameBoy Z80, DS80S390, Z80, Z180 and STM8 microcontrollers.

On laptop computers, the Advanced Power Management (APM) support provides access to battery status information and may help you to conserve battery power, depending on your laptop and the APM implementation. The apmd program also lets you run arbitrary programs when APM events happen (for example, you can eject PCMCIA devices when you suspend, or change hard drive timeouts when you connect the battery).

Shorewall allows firewall/gateway requirements to be described using entries in a set of configuration files. It reads those configuration files and, with the help of the iptables utility, configures netfilter to match these requirements.

rsnapshot is an rsync-based filesystem snapshot utility. It can take incremental backups of local and remote filesystems for any number of machines. rsnapshot makes extensive use of hard links, so disk space is only used when absolutely necessary.

ATHENA is an interactive graphical utility for processing EXAFS data. It handles most of the common data handling chores of interest, including deglitching, aligning, merging, background removal, and Fourier transforms.