Free GIS Application Store:

 

Automatic projection detection:

 

GIS experts with profesional long-term experience, describe this projection tools like: „In my time as a student, i would have needed this tool. Today I work always in the same project area and don’t have such problems really often, but for that this tool would help.“

 

Web:

Java Windows 64-bit Desktop Appliaction (Installation Help):

License information and source code of free software by Manfred Egger: https://github.com/maegger

OpenJUMP GIS (Java):

You find many more free tools and helper in OpenJump GIS, an open source geographic information system written in the Java programming language. Click into the orange kangaroo on the left side to get more info about this vector gis.

OrbisGIS (Java):

OrbisGIS is a cross-platform open-source Geographic Information System created by research and for research. OrbisGIS proposes new methods and techniques to model, represent, process and share spatial data, making it easy to monitor geographical territories and manage their evolution.