Environmental Software Products

CertainTech has acquired all rights to the software, SiteGIS, SurfLink and BIO1D from GeoTrans, Inc. Since then, CertainTech has updated these software for compatibility with the latest versions of ArcGIS, MapInfo and Surfer. Please click on the navigations at left for more information on these software products.

SurfLink 2.0 Supports Surfer 8.0!

SurfLink 2.0 is available which supports Surfer 8.0 and all recent versions of MapInfo Professional (versions 5.5, 6.0, 6.5, and 7.0).  For more information, please visit our SurfLink page.