QGIS (Quantum Geographic Information System) is a free, open-source software

QGIS - The Leading Open Source Desktop GIS

The QGIS project aims to provide clear documentation concerning a User guide, GIS concepts, and training material.

allows users to create, edit, visualize, analyze, and publish geospatial information.

On the other hand it consists of a desktop and server application which expose the possibilities offered by the libraries, offering a user friendly interface

Download QGIS

There is a collection of plugins ready to be used, available to download.

You can visualize, manage, edit, analyse data, and compose printable maps.

The QGIS project provides a gentle GIS introduction, a User Guide, a Coding and Compilation Guide and a API Documentation in english

QGIS provides a continously growing number of capabilities provided by core functions and plugins.