Better lighting for your computer
f.lux indicator applet is an indicator applet to control xflux, an application that makes the color of your computer's display adapt to the time of day, warm at nights and like sunlight during the day
There is an updated PPA here:
https://launchpad.net/~nathan-renniewaldock/+archive/ubuntu/flux
See ubuntuhandbook.org instructions for more details on using the PPA to install xflux using the package manager
# Install dependencies
sudo apt-get install git python-appindicator python-xdg python-pexpect python-gconf python-gtk2 python-glade2 libxxf86vm1 -y
# Download and install xflux-gui
cd /tmp
git clone "https://github.com/xflux-gui/xflux-gui.git"
cd xflux-gui
sudo python ./setup.py install
# Run flux
fluxgui
The f.lux indicator applet is released under the MIT License.