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I'm developing a product for offline use in Brazil in rural areas where there is no Internet connection. I'm searching for a free imagery source which can be used offline in a commercial product.

ESRI and mapQuestOpen are free but their agreements only allow online use.

Is there any free or open offline satellite/aerial imagery for commercial use?

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    What resolution do you need? Is Landsat 8 too coarse?
    – DMusketeer
    Commented Sep 17, 2015 at 13:38
  • 8 is good enough. But 10 will be great. for some Brazilian regions.
    – Daniel Santos
    Commented Sep 17, 2015 at 14:00
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    you can download Landsat8 in bundles from libra.developmentseed.org (check cloud levels over latest images) license is CCv3.0 creativecommons.org/licenses/by/3.0
    – Mapperz ♦
    Commented Sep 17, 2015 at 15:12
  • Landsat 8 = 30m resolution I believe.
    – CSB
    Commented Sep 17, 2015 at 15:14
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    @Martin I would bet that GMapCatcher violates the terms of use for many of the APIs it supports. Even if you're a paying customer to some, their terms may disallow compiling caches to be distributed as well.
    – Branco
    Commented Sep 21, 2015 at 12:53

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The best option for a world map free software for me was NASA blue marble. http://visibleearth.nasa.gov/view_cat.php?categoryID=1484.

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