-~~~~{.sh}
-sudo apt-get install git cmake build-essential libqt4-dev libboost-dev freeglut3-dev ;
-git clone https://github.com/schnorr/pajeng.git
-cd pajeng && mkdir -p build && cd build && cmake ../ -DCMAKE_INSTALL_PREFIX=$HOME && make -j install
-cd ../../
-~~~~
-
-Then you can install viva.
-
-~~~~{.sh}
-sudo apt-get install libboost-dev libconfig++-dev libconfig8-dev libgtk2.0-dev freeglut3-dev
-git clone https://github.com/schnorr/viva.git
-cd viva && mkdir -p build_graph && cd build_graph && cmake ../ -DTUPI_LIBRARY=ON -DVIVA=ON -DCMAKE_INSTALL_PREFIX=$HOME && make -j install
-cd ../../
-~~~~
-
-## Installing Paje
-
-This [software][fn:5] provides a Gantt-chart visualization.
-
-~~~~{.sh}
-sudo apt-get install paje.app
-~~~~
-
-## Installing Vite
-
-This software provides a [Gantt-chart visualization][fn:6].
+Under Debian or Ubuntu, this is really easy with apt-get, while you
+may have to install from the source on other systems. Check the
+documentation of each software for more details.