Based on our record, MuPDF seems to be more popular. It has been mentiond 20 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.
MuPDF mini (version 1.23.3a): Minimalist viewer for PDF, XPS, CBZ, unprotected EPUB, and FB2 documents. Source: 8 months ago
Mupdf is the mupdf of epub; it supports epub and other formats beyond pdf¹. When I've had really large files I've used mupdf to read them a few times, as it seems to be far better at handling them than other tools. ¹ https://mupdf.com/. - Source: Hacker News / 8 months ago
Doesn't exactly fit your requirements, but might as well mention it here: muPDF - the most lightweight PDF viewer that I've ever seen. You don't even have to install it. Mobile version exists by the way. Source: about 1 year ago
MuPDF viewer (version 1.21.0a): Lightweight document viewer. Source: about 1 year ago
I don't see anything about that on ArchWiki or MuPDF's website. Could you provide details on how it is obsolete and what critical vulnerabilities it has? Source: over 1 year ago
PDF Clown - PDF Clown is an open-source general-purpose library for manipulating PDF documents through multiple abstraction layers, rigorously adhering to PDF 1.7 Specification
Sumatra PDF - Sumatra PDF is a slim PDF/DjVu/EPUB/XPS/CHM/CBR/CBZ/MOBI viewer for Windows.
iTextPDF - iText offers flexible tools for PDF creation, editing and inspection.
Foxit Reader - Foxit Reader is a free and light-weight multi-platform PDF document viewer.
Document .Net - Gives you API to do everything with a document in PDF, DOCX, DOC, RTF, HTML and Text formats.
Okular - Okular is a universal document viewer based developed by KDE.