WebCit is a web-based, AJAX-enabled frontend to the Citadel groupware system. It is an attractive web middleware layer that allows user-friendly access. By combining WebCit and Citadel, you can have a versatile online environment with many users concurrently accessing the same system using the user interface of their choice (text, web, or downloaded client software).

NVTOP stands for Neat Videocard TOP, a (h)top like task monitor for AMD, Intel and NVIDIA GPUs. It can handle multiple GPUs and print information about them in a htop-familiar way.

Vitetris is a terminal-based Tetris game. It can be played by one or two players, over the network or on the same keyboard.

The GNU plotting utilities include programs for plotting two-dimensional scientific data. They are built on top of GNU `libplot', a library for device-independent two-dimensional vector graphics.