INDI is an instrument neutral distributed interface control protocol that aims to provide backend driver support and automation for a wide range of Astronomical devices (telescopes, focusers, CCDs..etc).
Project migrated to Github: https://github.com/indilib/indi
gbattray, a simple/lightweight client, displays the status the battery of a laptop in system tray. It can also be executed on non-graphical console by just returning current battery state on console.