I'm looking for a pdf reader like, but with folders sorting and a research engine. Maybe with even more interesting features, what are your suggestions?
Ask HN: What are you using to read scientific papers?
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Re: Ask HN: What are you using to read scientific papers?
#2To read papers, I use a standard PDF viewer (or image viewer, for some old papers which I've scanned in).
To organize papers, I use Zotero. https://en.wikipedia.org/wiki/Comparison_of_reference_manage... has a long list of reference management software, some of which have modified PDF readers which allow, for example, user annotations.