MuPDF

MuPDF is Article description::a free and open-source software framework written in C that implements a PDF, XPS, and EPUB parsing and rendering engine. In Gentoo, several packages like  or  use it internally for PDF rendering.

Users can install MuPDF with the following command:

The package provides the following binaries:
 * : all purpose tool for dealing with PDF files (draw, clean, extract, info, create, pages, poster, show, run JavaScript, convert, merge)
 * : all purpose tool for dealing with PDF files (draw, clean, extract, info, create, pages, poster, show, run JavaScript, convert, merge)
 * : all purpose tool for dealing with PDF files (draw, clean, extract, info, create, pages, poster, show, run JavaScript, convert, merge)
 * : all purpose tool for dealing with PDF files (draw, clean, extract, info, create, pages, poster, show, run JavaScript, convert, merge)
 * : all purpose tool for dealing with PDF files (draw, clean, extract, info, create, pages, poster, show, run JavaScript, convert, merge)

MuPDF is said to provide optional support for interactive features such as form filling. However, documentation of these features seems well hidden.

External resources

 * http://www.linuxfromscratch.org/blfs/view/cvs/pst/mupdf.html
 * https://packages.debian.org/stretch/mupdf
 * https://wiki.archlinux.org/index.php/MuPDF