Poseidon Linux is a GNU/Linux distribution designed primarily for academic and scientific use. It is based on Ubuntu LTS, enhancing its parent by adding a large number of applications for GIS/maps, numerical modelling, 2D/3D/4D visualisation, statistics, genetics, creating simple and complex graphics, and programming languages. The usual software for daily use, such as the LibreOffice suite, Internet browsers, instant messaging and chat clients are also included.