MuPDF is #10 in Top 10 PDF Readers

https://mupdf.com/
MuPDF
MuPDF is a lightweight PDF, XPS, and E-book viewer. MuPDF consists of a software library, command line tools, and viewers for various platforms.

Positions in ratings


#10 in Top 10 PDF Readers

Alternatives


The best alternatives to MuPDF are: Zathura, Sumatra PDF, Xpdf, Evince