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Which open source GIS software is preferable: QGIS, mapWindow or gvSIG. On the basis of:

  1. GIS analysis.
  2. Digitization.
  3. Quality checking.(Data correction).
  4. Store of data(i.e. storage in db as well as folder)
  5. Performance.
  6. Easy to learn.

Which software should I go for depending on these basic conditions?

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4  
You may want to accept some of the answers to your previous questions, or you may find this question gets few, if any, answers. –  MerseyViking Jun 28 '12 at 11:12
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for QGIS - gvSIG see gis.stackexchange.com/questions/13509/… –  underdark Jun 28 '12 at 11:21
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"GIS analysis" is very vague. More specific requirements would be helpful, e.g. focus on raster over vector or other way around? –  underdark Jun 28 '12 at 11:23
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Sounds like a question answered by opinion as opposed to unequivocal fact, no? –  Roy Jun 28 '12 at 11:32
1  
@Roy Answers may either be opinions or supported by references, descriptions of experiences, or other objective or quasi-objective means. Pure opinions, unsupported statements, and other subjective replies will be closed without further comment. –  whuber Jun 30 '12 at 17:41

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