264 karma · joined August 29, 2012
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Plus the code that's necessary to generate the map files that OM relies on is no longer openly published. So while true that the actual app code is open source, you can't use it without relying on their proprietary map files.
That's the main draw of CoMaps to me. I also have OsmAnd installed and it's useful for more complex uses, but for a quick lookup CoMaps works a lot better for me. OsmAnd is more the swiss army knife of navigation tools, with all the complexity that means.
But that doesn't solve the access: Finding the PDF you want on the publishers website can be a huge pain. So people just paste the DOI/Pubmed-ID etc. into Sci-Hub to get right to the PDF.
Hope that makes some sense :-)