PDF software inventory

Here's an inventory of the PDF manipulation software I have at my disposal for the project. All of these packages are Free Software in the sense that the user has the freedom to run, study, modify, and redistribute the program.

Okular

PDF viewer (GUI)

GNU gv

PDF viewer (GUI)

pdftk

merges and splits PDFs, rotates pages, edits metadata (command-line; GUI via pdftk-qgui)

PDFjam

merges, rotates, and n-ups PDFs (command-line)

PdfMod

adds, reorders, rotates, and removes pages; exports images; edits metadata (GUI)

poppler-tools

lists fonts; extracts images; prints metadata; converts PDF to HTML, PPM, PostScript, or text (command-line)

QPDF

linearizes (web-optimizes) PDFs, various other low-level transformations (command-line)

pspdftool

rearranges, deletes, scales, flips, numbers, crops, rotates, n-ups pages (command-line)

pstoedit

scales, shifts, splits, rotates, and resizes pages; converts PDF to other vector formats (command-line)

Ghostscript

PDF language interpreter; can do pretty much everything, though not necessarily easily (command-line)