QGIS in full is Quantum GIS. A Free and Open Source Geographic Information System for desktop GIS. It can be downloaded from www.qgis.org. It can Create, edit, visualise, analyse and publish geospatial information on Windows, Mac, Linux. The current version is 2.18. It does all that ArcGIS does. It doesn’t have different products and applications though. It is all ensuite.
Here are only some of the reasons:
- It’s Installing and using the QGIS program costs you a grand total of zero money. No initial fee, no recurring fee, nothing.
- It’s free, as in liberty. If you need extra functionality in QGIS, you can do more than just hope it will be included in the next release. You can sponsor the development of a feature, or add it yourself if you are familiar with programmin.
- It’s constantly developing. Because anyone can add new features and improve on existing ones, QGIS never stagnates. The development of a new tool can happen as quickly as you need it to.
- Extensive help and documentation is If you’re stuck with anything, you can turn to the extensive documentation, your fellow QGIS users, or even the developers.
- Cross-platform. QGIS can be installed on MacOS, Windows and Linux.