GIS Softwares

Open Source/Free 

FrontEnd Environment - Desktop  

QGIS 

QGIS is a free open-source desktop base GIS application that supports, viewing, editing and analysis of the spatial data. It is a very robust platform and has several plugins available. 

For more information and downloading this software visit:

http://www.qgis.org/en/site/

GRASS GIS 

GRASS GIS is an open source desktop base GIS software for viewing, editing, image processing, management of spatial data and analysis and visualization. 

For more information and downloading this software visit:
 https://grass.osgeo.org/

MapWindow GIS 
MapWindow GIS is an open source GIS application for only windows platform for managing the spatial data and performing various analysis. 

                                                 For more information and downloading this software visit:
                                                 http://www.mapwindow.org/#home

SAGA GIS
SAGA GIS is a free GIS software which provides different sets of geo-scientific methods through user interface with many visualization options  

For more information and downloading this software visit:
                                                http://www.saga-gis.org/en/index.html

gvSIG
gvSIG is a desktop GIS application to work in a variety of formats capable of analysing, managing and visualising both vector and raster files. 

For more information and downloading this software visit:
http://www.gvsig.com/en

OPenJUMP

OpenJUMP is an open source GIS platform which can read and write shapefiles, simple GML files and other vector formats. The strength of this package is the editing of geometric and attribute data. 

For more information and downloading this software visit:

http://www.openjump.org/




BackEnd Environment - Databases 

WebGIS or Internet GIS