MapWindow GIS
MapWindow is a fully free and open source geographic information system project. It includes an open source programming component, MapWinGIS ActiveX, and an extensible...
GeoSheets is a free add-on for Google Spreadsheets that makes it simple to do lightweight GIS tasks like geocoding, address normalization, distance calculations and creating customized and embeddable maps.
easily work with location data in spreadsheets. geosheets lets you get comprehensive location lookup by state, neighborhood, and more with dead simple functions.
1. work directly in spreadsheetsdefine locations and any associated metadata in your spreadsheet. use geocoding and lookup functions to augment your data.
2. generate businessgrade mapscreate maps with dozens, hundreds, or even thousands of locations without having to work with expensive and hardtolearn gis software
3. customize and share your mapsset placemark shapes, colors, and sizes to represent your data. easily publish and embed your maps or share with coworkers or friends.
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