For laptop, when battery low, suspend. Usefull when Ubuntu's energy management don't work.
Not only for laptop, for desktop too, run updates automatically and silently if machine has enough battery or on AC. My favorite script. It always installed by me on every install of Ubuntu for people I did.
Scripts for Nautilus, Caja or Nemo
Alert the user when Ubuntu is at the end of support, with a message, in order to user do upgrade to latest LTS.
Using yad to display the gui.
Script to benchmark the system and calculate a single overall score, without prompt the user, using Sysbench (CPU, Disk IO & Memory).
GUI tool to format USB device, usefull for very old persons or kids.
GUI tool to set time or duration to schedule a shutdown.
Personal script used to customize Ubuntu Mate and Xubuntu after installation.
For VPN : autoconnect and kill switch apps, forked project.
Script for gThumb, GUI tool to send by mail picture : small, medium or original size.
Icon in notification area, to set brightness
Icon in notification area, to switch output audio