iotop does for I/O usage what top(1) does for CPU usage. It watches I/O usage information output by the Linux kernel and displays a table of current I/O usage by processes on the system. It is handy for answering the question "Why is the disk churning so much?".

This package provides the gem rufus-scheduler, a job scheduler for Ruby. It is an in-process, in-memory scheduler that provides scheduling using at, cron, in and every jobs.

Bootchart is a tool for performance analysis and visualization of the GNU/Linux boot process. Resource utilization and process information are collected during the boot process and are later rendered in a PNG, SVG or EPS encoded chart.

Fldiff is a graphical diff program that shows the differences between two files/directories, or a file/directory and a CVS or Subversion repository. It is inspired by xdiff (Motif-based) and xxdiff (Qt-based), whose choice of GUI toolkit has hampered their portability to many of the systems.

Qwo is an implementation of quikwriting, an input method to continuously enter text on a touchscreen, without picking up the finger or stylus.