Free/Open Source and Paid GIS and Remote Sensing Software

There are many open source and paid software are available in market to perform GIS and Remote Sensing analysis. 

Most of them provide basic GIS and Image processing facilities. 

Some paid software provides advance analysis in GIS and Image processing.

List of Open Source GIS & Remote Sensing Software

Open Source GIS Software	Web Address
DIVA GIS	http://www.diva-gis.org/
GEODA	https://geodacenter.github.io/
GEOSERVER	http://geoserver.org/
GRASS GIS	https://grass.osgeo.org/
GVSIG	http://www.gvsig.com/en
ILWIS	https://www.itc.nl/ilwis/
MAPWINDOW	https://www.mapwindow.org/
OPENJUMP	http://www.openjump.org/
ORBISGIS	http://orbisgis.org/
QGIS	https://qgis.org/en/site/
SAGA GIS	http://www.saga-gis.org/en/index.html
UDIG	http://udig.refractions.net/
WHITEBOX GAT	https://www.uoguelph.ca/~hydrogeo/Whitebox/

List of Paid GIS & Remote Sensing Software

Open Source GIS Software	Web Address
ARCGIS (ESRI)	http://www.arcgis.com/index.html
BENTLEY MAP	https://www.bentley.com/en/products/
ERDAS IMAGINE (INTERGRAPH)	https://www.hexagongeospatial.com/products/power-portfolio/erdas-imagine
ENVI	https://www.harrisgeospatial.com/
GEOMATICA 2018	https://www.pcigeomatics.com/software/geomatica/
GEOMEDIA	https://www.hexagongeospatial.com
GLOBAL MAPPER	https://www.bluemarblegeo.com/products
IDRISI SELVA (CLARK LABS)	https://clarklabs.org/terrset/
MANIFOLD GIS	http://www.manifold.net/
MAPINFO PROFESSIONAL	https://www.pitneybowes.com
MAPVIEWER AND SURFER	https://www.goldensoftware.com/products/mapviewer
MAPTITUDE	https://www.caliper.com/maptovu.html
SMALLWORLD	https://www.smallworldfs.com/small-world/
SUPERGIS	https://www.supergeotek.com/