Maui GIS Free ArcView Resources - Links to ArcView resources available for free. AVPython: Python Language Support for ArcView GIS - Allows use of the Python programming language to customize ArcView GIS. Public Domain extensions - Review and rating of the most useful PD extensions for ArcView GIS CEDRA Corporation Parcel Mapping Solutions for GIS - An ArcView extension which includes and expands upon CEDRA AVcad to provide tax (cadastral) mapping, parcel mapping and maintenance and general polygon editing. Quantitative Decisions - Site of Bill Huber's company, a guru in Avenue and ArcView extensions. Freeware or shareware at very reasonable prices. Mathematical explanations rarely found on other ArcView sites. Ianko's GIS page - Ianko Tchoukanski's page presenting his freeware and shareware ArcView extensions. Jenness Enterprises - Offers a number of free, custom-built ArcView applications for the ESRI ArcView GIS system Visual Learning Systems, Inc. - VLS has developed the Feature Analyst as a premiere image processing tool for ESRI's ArcView and ArcGIS, which utilizes machine learning techniques to extract features from satellite and aerial imagery. EZClick Tools Extension for ArcView 3.x - Tool for building spatial indexes for geographic vector and raster data distributed over various directories. Helps to quickly load and manage data for any given window. Shareware. Geokinectic Systems Inc. - The commercial "theEngine" extension transforms ArcView into a combination of Arc/Info and CAD. MapWares - ArcView and ArcGIS custom tools and extensions. Upgrades from Avenue to Visual Basic. ECOGIS Geomatics - Freeware and shareware tools, like CAD2Shapes (extension to convert DXF graphics into shapes) or Polytool (a helpful tool for constructions).