NASA WorldWind
7.9#2 in gis softwareFree planFree planAndroidWebAPILinux
VisitWorldWind is for developers building geospatial applications and organizations visualizing geographic data. Its web and Java options cover browser use as well as Windows, Mac OS X, and Linux.
OpenJUMP suits desktop users who need to edit and analyze vector map data across Linux, macOS, or Windows. Users needing additional formats or tools can extend it with plugins.