Open source Document viewers for Linux

Evince

Evince is a document viewer for multiple document formats. It currently supports pdf, postscript, djvu, tiff and dvi. (GPL)

Linux - FreeBSD

Okular

Okular is an universal document viewer based on KPDF for KDE 4. (GPL)

Linux - FreeBSD

pdfarranger

Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface. (GPL)

Linux - Windows

PDFedit

PDFedit is a free (and open source) editor for manipulating PDF documents. GUI version + commandline interface. (GPL)

Linux - FreeBSD

PDFsam

PDFsam basic is a free and open source, platform independent software designed to split, merge and rotate pdf files. (GPL)

Cross-platform

Sigil

Sigil is a multi-platform WYSIWYG ebook editor. Use Sigil to format and package your book into an EPUB. (GPL)

Linux - Windows - macOS

6 applications