Softwares

Best GIS Software: Official Download Pages (Updated August 2025)

Whether you’re teaching, researching, or building production workflows, start with the official sources below to get safe, current installers.

Open-source Desktop GIS

SoftwareOSOfficial Download
QGISWindows / macOS / LinuxDownload
GRASS GISWindows / macOS / LinuxDownload
SAGA GISWindows / macOS / LinuxDownload
gvSIG DesktopWindows / LinuxDownload

Open-source Remote Sensing & Toolboxes

SoftwareOSOfficial Download
ESA SNAP (Sentinel Application Platform)Windows / macOS / LinuxDownload
Orfeo ToolBox (OTB)Windows / macOS / LinuxDownload
WhiteboxToolsWindows / macOS / LinuxDownload
GeoDaWindows / macOS / LinuxDownload
ILWISWindowsDownload
uDigWindows / macOS / LinuxDownload
OpenJUMPWindows / macOS / LinuxDownload
MapWindow GIS (MW5)WindowsDownload

Commercial Desktop GIS (Trials or Portals)

Note: Some vendors require a license, trial signup, or an organizational account for downloads (e.g., My Esri for ArcGIS Pro).

SoftwareOSOfficial Download / Trial
ArcGIS ProWindowsTrial Download | My Esri Portal
Global MapperWindowsDownload
MapInfo ProWindowsFree Trial
MaptitudeWindowsFree Trial
Surfer (Golden Software)WindowsFree Trial
Manifold Release 9WindowsDownload
CATALYST Professional (PCI Geomatica)WindowsDownload
ERDAS IMAGINEWindowsPortal
ENVI (NV5 Geospatial)WindowsRequest Demo
TerrSet (Clark University)WindowsDownload

GIS Stack Helpers (Database & Libraries)

SoftwareOSOfficial Download
PostGIS (PostgreSQL spatial extension)Windows / macOS / LinuxDownload
GDAL (OGR)Windows / macOS / LinuxDownload

Honorable Mention

SoftwareOSOfficial Download
Google Earth ProWindows / macOS / LinuxDownload

Notes & Tips

  • Prefer official project/vendor pages for the latest trusted installers and checksums. Third-party mirrors can be outdated.
  • ArcGIS Pro, ERDAS IMAGINE, ENVI, CATALYST: downloads typically require a license or organizational account; use the vendor portal/trial links above.

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