Baudline is a time-frequency browser designed for scientific visualization of the spectral domain. Signal analysis is performed by Fourier, correlation, and raster transforms that create colorful spectrograms with vibrant detail. Conduct test and measurement experiments with the built in function generator, or play back audio files with a multitude of effects and filters. The baudline signal analyzer combines fast digital signal processing, versatile high speed displays, and continuous capture tools for hunting down and studying elusive signal characteristics.
Battstat is a battery status applet that monitors the battery charge level on a laptop. It displays different icons depending on the state of the power subsystem, and will warn if the power drops below a user configurable level. It uses the standard GNOME event system to play user configurable samples at certain events. It's available in binary form for Red Hat (.rpm), Debian (.deb) and FreeBSD (.tgz). You can also compile it yourself by downloading the source tarball (.tar.gz).
Batik is a Java-based toolkit for applications that want to use images in the Scalable Vector Graphics (SVG) format for various purposes, such as viewing, generation, or manipulation. It gives developers a set of core modules (parsers, generators, DOM implementation) which can be used together or individually, and be highly extensible. It comes with a full-fledged SVG viewer.
Bastille Unix (formerly Bastille Linux) aims to be the most comprehensive, flexible, and educational Security Hardening Program for Red Hat (Fedora Core, Enterprise Linux, and original Red Hat), SuSE, Gentoo, Mandrake, and Debian Linux, as well as HP-UX and Mac OS X. Virtually every task it performs is optional, providing immense flexibility. It educates the installing admin regarding the topic at hand before asking any question. The interactive nature allows the program to be more thorough when securing, while the educational component produces an admin who is less likely to compromise the increased security.
BasicLinux is a mini-Linux distribution designed specifically for old PCs. It provides a slim 2.2.26 kernel, a user-friendly shell and a good assortment of utilities. It includes a Web browser, a comm program, an email client, a telnet client, wget, DHCP, and dial-up PPP. It also includes a small footprint GUI, and is able to run remote X (via network) with as little as 4 MB RAM. BasicLinux is particularly suitable for old laptops: it comes with PCMCIA capability and includes the MagicPoint presentation program.