vlock either locks the current terminal (which may be any kind of terminal, local or remote), or locks the entire virtual console system, completely disabling all console access. vlock gives up these locks when either the password of the user who started vlock or the root password is typed.

Vim is an almost compatible version of the UNIX editor Vi.

HandBrake is a versatile, easy-to-use tool for converting DVDs and other videos into H.264, XViD, or Ogg formatted media. It's particularly useful for making videos that are compatible with portable video devices such as the Apple iPod/iPhone or Sony PSP.

PyMca is set of applications and Python libraries for analysis of X-ray fluorescence spectra.

Ardour is a multichannel hard disk recorder (HDR) and digital audio workstation (DAW). It can be used to control, record, edit and run complex audio setups.