TdhGIS may be obtained either through an app store or by direct download (see App Store vs Direct Download)
App Store:
Direct Download:
TdhGIS_linux for Linux
TdhGIS_win for MS Windows
TdhGIS_Library - user documentation, tutorials, related documents
Downloads last updated Feb 19, 2026
TdhGIS API - api for spatial analysis functionality
API last updated Oct 9, 2025