Based on our record, qpdfview seems to be more popular. It has been mentiond 3 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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 2 years 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 2 years 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 3 years ago
Okular - Okular is a universal document viewer based developed by KDE.
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
calibre - Ebook manager, viewer & converter
Evince - Evince is a document viewer for multiple document formats: PDF, Postscript, djvu, tiff, dvi, XPS...
MuPDF - MuPDF is a lightweight PDF and XPS viewer.
Atril - Atril is a simple multi-page document viewer. Atril is a fork of Evince.