Simple GIS Software

​​​Free Simple GIS Projects and Plugins

Free GIS Data

Calculate Acres Plugin

Plugin as demonstrated in the Customizing Simple GIS Client Tutorial that reports the acreage of selected features as a user clicks on them from the current Simple GIS Client Map Data View document.  Simply download plugin file, save it to a folder of your choice and add this plugin to any Simple GIS Client project you wish.

SimpleUSA Project & Dataset

SimpleUSA Project & Dataset is a comprehensive data set of US state boundaries, cities, roadways, waterways, and more including a full geocoding and street routing database, available for free download below.  The SimpleUSA project is a free project to use with the Simple GIS Client application.  The dataset is in shapefile format and contains a national Geocode database based upon Tiger 2015 data from the US Census Bureau.  It also includes a national street routing database.  Our plan is update this dataset annually.  Note: This is a large dataset (4 GB Compressed download) requiring approximately 20 GB of free disk space for installation.  You also must have SimpleGISClient installed to use the SimpleUSA project.

Listed below are links to several websites where you can find free GIS data.  This is by no means an exhaustive list and as you explore, you will likely find that there are quite a few free GIS data sources available off of the internet.  We hope you find these links useful.

Site Description                                                                                                                                          URL

​Over 100 high resolution vector and raster datasets.  One stop shop for

environmental and natural resource geodata.                                                                             

Source of geodata and WMS services from the USGS as well as GIS maps                             

Open Street Map Data Extracts.  Free GIS data from the Open Street Map initiative.

Useful site for downloading Open Street Map geodata in shape file format by

geographic region.  Click on the Sub-Region link to get to small enough geographic

regions to download in shape file format.                                                                                     


Home of Tiger Shape File data and Census data.  Great for spatial analysis of US                          

Census data.                                                                                                                                       


WMS urls:  Below are several WMS urls available from the USGS.  Simply copy and paste one of the urls below into the Simple GIS Client WMS layer set up dialog box.

Listed below are Simple GIS Projects and/or plugins that can be freely downloaded and used within our Simple GIS application.