GeoCalc 4.20

GeoCalc 4.20 is a 32-bit Windows application that uses seven-parameter transformations to convert ASCII coordinate data files between mapping systems. Pick from the extensive list or define your own. GeoCalc is distributed free of charge.

Follow this link for more information and to download GeoCalc 4.20.

TMLs

Terramodel Macro Language programs (TMLs) extend and enhance Terramodel.
See our list of over 600 available TMLs and see how you can get the most out of your software. Some are free to all, some free to certain existing customers, and some are for purchase.

Trimble Data Transfer Utility

This free Trimble utility transfers data to and from various hardware and software devices. Available by download and with many Trimble products.

Documents and data

Look here for Geocomp and Terramodel manuals, training guides, feature code list, shape files, linetypes, and other resources.