AEJEE

ArcExplorer Java Edition for Education (AEJEE)
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Free Desktop GIS for Windows and Macintosh (OSX)
AEJEE Screenshot of hurricane tracks ArcExplorer Java Edition for Education (AEJEE) is a downloadable, lightweight GIS tool for exploring geographic data.

AEJEE can save and open projects, so work can be shared between users, or between school and home. AEJEE can classify and symbolize shapefiles, integrate a wide array of image data, project on-the-fly shapefiles stored in decimal degree, and use data distributed over the Internet hosted on ArcIMS sites.