Spindown is a daemon to spin down idle disks and thus save energy and give the disks a longer lifetime. It also works with USB disks and hot-swappable disks because it uses the device ID to identify the disk instead of the device name (such as hda or sdb). This means that it doesn't matter if the disk is swapped while the daemon is running.
BlueSense SDK is a software development kit for communicating with BlueSense equipment. It allows you to read out sensors or control actuators. A user-space USB driver for all platforms is included. Examples for all modules are also included. For Java and Mono/C#, there is an object-oriented interface, and for C, there is a function based interface.
Raven's System Stats allows users to collect detailed information about an operating system, including kernel architecture, distro, operating system, kernel version, glibc version, name of login shell, number of CPUs, CPU description, hyperthreading support, CPU MHz, CPU cache, bogomips, used and total RAM, used and total swap, filesystem size and type, uptime, unique users logged in, total login shells, currently running processes, total processes since bootup, load average, X resolution, and the number of X servers running.