pwclient is a VCS-agnostic tool for interacting with Patchwork, the web-based patch tracking system.

Meld is a visual diff and merge tool targeted at developers. Meld helps you compare files, directories, and version controlled projects. It provides two- and three-way comparison of both files and directories, and has support for many popular version control systems.

Meld helps you review code changes and understand patches. It might even help you to figure out what is going on in that merge you keep avoiding.

wiggle attempts to apply patches to a target file even if the patches do not match perfectly.

GNU Wdiff is a front-end to the diff program from Diffutils that allows you to compare files on a word-by-word basis, where a word is anything between whitespace.

Patool provides a unified command line interface for a plethora of archivers. It supports the following archive formats natively:

• TAR (.tar, .cbt)

• BZIP2 (.bz2)

• GZIP (.gz)

• ZIP (zip, .jar, .cbz).

The archive formats below are also supported as long as the corresponding compressor or archiver commands are available:

• 7z (.7z, .cb7)

• ACE (.ace, .cba)

• ADF (.adf)

• ALZIP (.alz)

• APE (.ape)

• AR (.a)

• ARC (.arc)

• ARJ (.arj)

• CAB (.cab)

• COMPRESS (.Z)

• CPIO (.cpio)

• DEB (.deb)

• DMS (.dms)

• FLAC (.flac)

• GZIP (.gz)

• ISO (.iso)

• LRZIP (.lrz)

• LZH (.lha, .lzh)

• LZIP (.lz)

• LZMA (.lzma)

• LZOP (.lzo)

• RPM (.rpm)

• RAR (.rar, .cbr)

• RZIP (.rz)

• SHN (.shn)

• TAR (.tar, .cbt)

• XZ (.xz)

• ZOO (.zoo).

The PCI Utilities are a collection of programs for inspecting and manipulating configuration of PCI devices, all based on a common portable library libpci which offers access to the PCI configuration space on a variety of operating systems. This includes the lspci and setpci commands.

hwdata contains various hardware identification and configuration data, such as the pci.ids and usb.ids databases. Each database is contained in a specific package output, such as the pci output for pci.ids, the usb output for usb.ids, etc.

The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API, as well as a set of wrapper functions that correspond to the POSIX regular expression API.

The PCRE library is a set of functions that implement regular expression pattern matching using the same syntax and semantics as Perl 5. PCRE has its own native API, as well as a set of wrapper functions that correspond to the POSIX regular expression API.

This package provides optional encoding files for Poppler. When present, Poppler is able to correctly render CJK and Cyrillic text.

qpdfview is a document viewer for PDF, PS and DJVU files. It uses the Qt toolkit and features persistent per-file settings, configurable toolbars and shortcuts, continuous and multi‐page layouts, SyncTeX support, and rudimentary support for annotations and forms.

PDFCrack is a simple tool for recovering passwords from PDF documents that use the standard security handler.

Zathura is a customizable document viewer. It provides a minimalistic interface and an interface that mainly focuses on keyboard interaction.

fbida contains a few applications for viewing and editing images on the framebuffer.

flyer-composer can be used to prepare one- or two-sided flyers for printing on one sheet of paper.

Imagine you have designed a flyer in A6 format and want to print it using your A4 printer. Of course, you want to print four flyers on each sheet. This is where Flyer Composer steps in, creating a PDF which holds your flyer four times. If you have a second page, Flyer Composer can arrange it the same way - even if the second page is in a separate PDF file.

This package contains only the command line tool. If you like to use the gui, please install the flyer-composer-gui package.

Poppler is a PDF rendering library based on the xpdf-3.0 code base. Poppler gives access to the following binary programs:

• pdfattach

• pdfdetach

• pdffonts

• pdfimages

• pdfinfo

• pdfseparate

• pdfsig

• pdftocairo

• pdftohtml

• pdftoppm

• pdftops

• pdftotext

• pdfunite

libHaru is a library for generating PDF files. libHaru does not support reading and editing of existing PDF files.

Stapler is a pure Python alternative to PDFtk, a tool for manipulating PDF documents from the command line. It supports

• cherry-picking pages and concatenating them into a new file

• splitting a PDF document into single pages each in its own file

• merging PDF documents with their pages interleaved

• displaying metadata in a PDF document

• displaying the mapping between logical and physical page numbers

QPDF is a command-line program that does structural, content-preserving transformations on PDF files. It could have been called something like pdf-to-pdf. It includes support for merging and splitting PDFs and to manipulate the list of pages in a PDF file. It is not a PDF viewer or a program capable of converting PDF into other formats.

The zathura-cb plugin adds comic book support to zathura using libarchive.

A4PDF is a low-level library for generating PDF files. It does not have a document model and instead uses PDF primitives directly. It uses LittleCMS for color management but otherwise does not convert data in any way.

Poppler is a PDF rendering library based on the xpdf-3.0 code base. Poppler gives access to the following binary programs:

• pdfattach

• pdfdetach

• pdffonts

• pdfimages

• pdfinfo

• pdfseparate

• pdfsig

• pdftocairo

• pdftohtml

• pdftoppm

• pdftops

• pdftotext

• pdfunite

img2pdf converts images to PDF via direct JPEG inclusion. That conversion is lossless: the image embedded in the PDF has the exact same color information for every pixel as the input.

MuPDF is a C library that implements a PDF and XPS parsing and rendering engine. It is used primarily to render pages into bitmaps, but also provides support for other operations such as searching and listing the table of contents and hyperlinks.

The library ships with a rudimentary X11 viewer, and a set of command line tools for batch rendering pdfdraw, rewriting files pdfclean, and examining the file structure pdfshow.