tiptop is a command-line system monitoring tool in the spirit of top. It displays various interesting system stats and graphs them. Works on all operating systems. Like bashtop, but re-implemented in Python.
Give it your Github username and it'll visualize the last year of account activity as a 3d model that resembles a city's skyline, which you can download an .stl of to fab if you want.
Music by DET: https://soundcloud.com/detmusic