Optimize laptop battery life

tlp

Optimize laptop battery life

TLP is a feature-rich command-line utility, saving laptop battery power without the need to delve deeper into technical details.
Editing Vivaldi's "Follia"... scaled

denemo

free graphical music notation editor (GTK front end to LilyPond)

Denemo is a free music notation program GUI for GNU/Linux, macOS and Windows that lets you rapidly enter notation which it typesets using the LilyPond music engraver. Music can be typed in at the PC keyboard, or played in via MIDI controller, or input acoustically into a microphone plugged into your computer’s soundcard.
Python 3 code static checker and UML diagram generator

pylint

Python 3 code static checker and UML diagram generator

Pylint is a Python source code analyzer which looks for programming errors, helps enforcing a coding standard and sniffs for some code smells (as defined in Martin Fowler's Refactoring book)
fly aircraft to search (for) and rescue people in distress

searchandrescue

fly aircraft to search (for) and rescue people in distress

Tired of scores indicating things destroyed or lives snuffed? Try something different -- fly a helicopter around and rescue people in distress. If you were in trouble wouldn't you want someone to rescue you?
Visualize atomic structures

v-sim

Visualize atomic structures

V_Sim visualizes atomic structures such as crystals, grain boundaries, molecules and so on (either in binary format, or in plain text format).
Update Configuration File(s): preserve user changes to config files

ucf

Update Configuration File(s): preserve user changes to config files

Debian policy mandates that user changes to configuration files must be preserved during package upgrades. The easy way to achieve this behavior is to make the configuration file a 'conffile', in which case dpkg handles the file specially during upgrades, prompting the user as needed.