Extensions for ArcView 3.x
Sources of free and commercial ArcView 3x extensions. Extensions are add-on utilities that increase the functionality of this older version of ESRI’s desktop GIS application.
AlaskaPak
AlaskaPak is an extension for use with ArcView 3.1. Created by the National Park Service.
ArcView to Access – Version 2
The NPS-AKSO ArcView to Access Link software (Av2Ax) developed for ArcView 3.x, provides a connection between spatial data in an ArcView shape file or coverage and tabular data in an Access database. These links allow a user to shift between the two products to view related data in both spatial and tabular formats.
Columbia Mapping Extensions
Keith Massie’s site for select ArcView extensions for downloading.
Coulter Mapping Solutions
Select extensions available for downloading after online purchase.
Cyze & Associates
Download free Natural Neighbor extensions.
Quantdec Extensions
Descriptions of free extensions available from Quantdec.
ShapeShifter
Free stand alone utility for determining the associations of shapefiles and ArcView GIS projects.
Spatial Online
Online commercial site with a vast collection of ArcView extensions to help with project management and data analysis.
Xtools Extension
Download the famous Xtools extension which is a must have if you want to accomplish some of the common ArcInfo functions in ArcView.
ZEBRIS Free Extensions
Free ArcView extensions that you can download from this site. Click on the ArcView Extensions link to load the download page into the frame.


Hi,
I’ve been looking for an extension that can calculate the length and width of polygons (or polygon diameter as some call it). Are there any freely available extensions out there that could help me?
Thanks,
Matt
hi
I’ve been looking for extensions which can calculate the over all water shed area and as well as extension used in managing natural reources in agricultural fields. Are there any freely available extensions out there that can help me? please help me !
thanks
yacob
hi
I need a converter which can make deg-min-sec to BTM (Bangladesh Transverse Mercator) projection…………fully need projection convertion software to BTM
Thank You
Rajib
Hi,
I’ve been looking for an extension that can convert polylines to polygons. Are there any freely available extensions out there that could help me? Please help me!
Thanks a lot,
Teddy