qpdfview VS Librera Reader

Previous stable qpdfview 0.4.18 released in 2019. Development of O.5.x brings support for compiling with any Qt version (Qt4, Qt5 & Qt6).[0,1] [0] https://launchpad.net/qpdfview/+announcement/28501 [1] https://launchpad.net/qpdfview/+announcement/30745. - Source: Hacker News / about 1 year ago

You didn't say what OS you're using, but on linux the best of the poppler-based PDF viewers are probably qpdfview (lighter weight) and okular (heavier but more features), both of which have good synctex support as well. Source: over 1 year ago

I've been happy with qpdfview as my PDF viewer for a couple of years now. I've customized it to have vi-like keybindings (j/k for instance) and it has others features like SyncTeX support and tabs that I want in a PDF viewer. The only thing lacking is support for playing media files, which comes in handy during presentations and such. I don't edit PDFs regularly, but when I do I just import it in Inkscape... Source: over 2 years ago

I've been rather happy with Librera, although when reading foreign languages, I prefer KOReader for its locally installed dictionary lookups (you have to add them). Note that these are both reader software, first, and not advanced library management packages (as far as I know). The last I checked, Librera also had two versions on the Play store, with the paid pro (or whatever) version sending a few dollars towards... - Source: Hacker News / 5 months ago

On Android, the text-to-speech I find is better with https://librera.mobi/. Source: 12 months ago

I use Libera which has everything I need for a reader, to view full-screen is essential bc it makes use of all the space on phone. Source: about 1 year ago

Librera reader, perhaps? https://librera.mobi/. Source: about 1 year ago

I personally use Librera on Android with google translate. Source: about 1 year ago