GnuTLS is a portable library which implements the Transport Layer Security (TLS 1.0, 1.1, 1.2, 1.3) and Datagram Transport Layer Security (DTLS 1.0, 1.2) protocols.

Gnuplot.py is a Python module that interfaces to gnuplot, the popular plotting program. It allows you to use gnuplot from within Python to plot arrays of data from memory, data files, or mathematical functions. If you use Python to perform computations or as `glue' for numerical programs, you can use this module to plot data on the fly as they are computed. And the combination with Python makes it is easy to automate things, including to create crude `animations' by plotting different datasets one after another.

GLPI stands for "Gestionnaire libre de parc informatique", GLPI is the Information Resource-Manager with an additional Administration Interface.

libXrandr provides an X Window System client interface to the RandR extension to the X protocol.

xtrlock is a very minimal X display lock program, which uses nothing except the Xlib library. It doesn't obscure the screen, it is completely idle while the display is locked and you don't type at it, and it doesn't do funny things to the X access control lists.