a2ps

Any to PostScript filter

aha

aiksaurus

A thesaurus lib, tool and database

an

Very fast anagram generator with dictionary lookup

ansifilter

antiword

free MS Word reader

antixls

It is used to prints out an XLS file with minimal formatting, or extracts the data into CSV format.

App-XML-DocBook-Builder

apvlv

a PDF Viewer which behaviors like Vim

asa

asciidoc

A text document format for writing short documents, articles, books and UNIX man pages

aspell

A spell checker replacement for ispell

atril

bact

Boosting Algorithm for Classification of Trees

barcode

barcode generator

bdf2psf

bibclean

BibTeX bibliography prettyprinter and syntax checker

bibletime

Qt4 Bible study application using the SWORD library.

bibutils

Interconverts between various bibliography formats using a common XML intermediate

binfind

binfind searches files for a byte sequence specified on the command line.

blahtexml

blogc

bogosort

A file sorting program which uses the bogosort algorithm

build-docbook-catalog

DocBook XML catalog auto-updater

c2ps

Generates a beautified ps document from a source file (c/c++)

calibre

Ebook management application.

capyt

catdoc

A convertor for Microsoft Word, Excel and RTF Files to text

cb2bib

Tool for extracting unformatted bibliographic references

cedilla

Utf-8 to postscript converter.

chasen

Japanese Morphological Analysis System, ChaSen

cherrytree

cmark

cmigemo

C/Migemo -- Migemo library implementation in C

code2html

Converts source files to colored HTML output.

convertlit

CLit converts MS ebook .lit files to .opf (xml+html+png+jpg)

convmv

convert filenames to utf8 or any other charset

cpdf

crengine-ng

crf++

Yet Another CRF toolkit for segmenting/labelling sequential data

crm114

A powerful text processing tool, mainly used for spam filtering

crqt-ng

crwx-ng

cssmin

cwtext

Text to Morse Code converter

dblatex

delta

Heuristically minimizes interesting files

dictd

Dictionary Client/Server for the DICT protocol

diction

Diction and style checkers for english and german texts

diff-pdf

diffpdf

ding

Tk based dictionary (German-English) (incl. dictionary itself)

discount

djview

djvu

DjVu viewers, encoders and utilities

docbook-dsssl-stylesheets

DSSSL Stylesheets for DocBook.

docbook-sgml-dtd

Docbook SGML DTD 4.2

docbook-sgml-utils

Shell scripts to manage DocBook documents

docbook-xml-dtd

Docbook DTD for XML

docbook-xml-simple-dtd

Simplified Docbook DTD for XML

docbook-xsl-ns-stylesheets

XSL Stylesheets for Docbook

docbook-xsl-stylesheets

XSL Stylesheets for Docbook

docbook2X

Tools to convert docbook to man and info

docx2txt

dos2unix

Convert DOS or MAC text files to UNIX format or vice versa

doxygen

dvipng

Translate DVI files into PNG or GIF graphics

dvipsk

dvisvgm

ebook-tools

Tools for accessing and converting various ebook file formats.

ebook2cw

editorconfig-core-c

enchant

Spellchecker wrapping library

enscript

powerful text-to-postscript converter

epspdf

epstool

Creates or extracts preview images in EPS files, fixes bounding boxes,converts to bitmaps.

evince

expander

Expander is a utility that acts as a filter for text editors.

extract_url

fblog

fbpdf

feathernotes

flpsed

Pseudo PostScript editor

foliate

fzy

gentoo-dtd

ghostscript-gpl

GPL Ghostscript - the most current Ghostscript, AFPL, relicensed.

gnome-doc-utils

A collection of documentation utilities for the Gnome project

grip

groonga

groonga-normalizer-mysql

grutatxt

A converter from plain text to HTML and other markup languages

gspell

gtkspell

Spell checking widget for GTK2

gtranslator

An enhanced gettext po file editor for GNOME

gv

gv is used to view PostScript and PDF documents using Ghostscript

halibut

hd2u

Dos2Unix text file converter

highlight

converts source code to formatted text ((X)HTML, RTF, (La)TeX, XSL-FO, XML) with syntax highlight

hnb

A program to organize many kinds of data in one place.

htag

random signature maker

html-xml-utils

A number of simple utilities for manipulating HTML and XML files.

html2text

A HTML to text converter

html401

DTDs for the HyperText Markup Language 4.01

htmldoc

Convert HTML pages into a PDF document

htmlinc

HTML Include System by Ulli Meybohm

htmlmin

htmlrecode

Recodes HTML file using a new character set

htmltidy

Tidy the layout and correct errors in HTML and XML documents

htp

An HTML preprocessor

hunspell

Hunspell spell checker - an improved replacement for myspell in OOo.

hyperestraier

a full-text search system for communities

idnits

iso-codes

Provides the list of country and language names

itex2mml

jabref-bin

jo

katarakt

kbibtex

A BibTeX editor for KDE to edit bibliographies used with LaTeX

kchmviewer

kramdown-rfc

krop

languagetool

lcdf-typetools

Font utilities for eg manipulating OTF

lesspipe

letterize

Generate English-plausible alphabetic mnemonics for a phone number

libabw

libebook

libepubgen

libetonyek

libexttextcat

libgepub

libgxps

liblangtag

libmspub

libmwaw

libnumbertext

libodfgen

libpaper

Library for handling paper characteristics

libqxp

libspectre

Library to render Postscript documents.

libspelling

libstaroffice

libwpd

WordPerfect Document import/export library

libwpg

libwps

Microsoft Works format import library

libxmlpatch

A set of tools to create and apply patch to XML files using XPath

linuxdoc-tools

A toolset for processing LinuxDoc DTD SGML files

llpp

logmerge

lowdown

lv

Powerful Multilingual File Viewer

mandoc

manpager

marknote

master-pdf-editor

mathtex

MathTeX lets you easily embed LaTeX math in your own html pages, blogs, wikis, etc

mdbook

mecab

Yet Another Part-of-Speech and Morphological Analyzer

mpage

Many to one page printing utility

msort

multitail

Tail with multiple windows.

mupdf

a lightweight PDF viewer and toolkit written in portable C

mythes

namazu

Namazu is a full-text search engine

NaturalDocs

nfoview

simple viewer for NFO files, which are ASCII art in the CP437 codepage

nuspell

o3read

Converts OpenOffice formats to text or HTML.

ocrad

GNU Ocrad is an OCR (Optical Character Recognition) program

odt2txt

odt2txt is a command-line tool which extracts the text out of OpenDocument Texts produced by OpenOffice.org, StarOffice, KOffice and others.

openjade

Jade is an implementation of DSSSL - an ISO standard for formatting SGML and XML documents

openpaperwork-core

openpaperwork-gtk

opensp

A free, object-oriented toolkit for SGML parsing and entity management

pandoc

pandoc-bin

pandoc-cli

paper-clip

paperwork

paperwork-backend

paps

par

pastebinit

pdf2html

Converts pdf files to html files

pdfarranger

pdfgrep

pdfjam

pdfnup, pdfjoin and pdf90

pdfminer

pdfpc

pdfsandwich

pdftk

A tool for manipulating PDF documents

pelican

pep

General purpose filter and file cleaning program

pinfo

Hypertext info and man viewer based on (n)curses

po4a

Tools for helping translation of documentation

podofo

PoDoFo is a C++ library to work with the PDF file format.

poppler

poppler-data

Data files for poppler to support uncommon encodings without xpdfrc

ps2eps

Tool for generating Encapsulated Postscript Format (EPS,EPSF) files from one-page Postscript documents

ps2pkm

psiconv

An interpreter for Psion 5(MX) file formats

psmark

pspdftool

pspresent

A tool to display full-screen PostScript presentations.

pstotext

extract ASCII text from a PostScript or PDF file

psutils

PostScript Utilities

qpdf

qpdfview

qtikz

rarian

A documentation metadata library

recode

Convert files between various character sets

refbase

Web-based solution for managing scientific literature, references and citations

restview

rman

PolyGlotMan man page translator AKA RosettaMan

rnc2rng

rnv

A lightweight Relax NG Compact Syntax validator

robodoc

Automating Software Documentation

ronn-ng

rpl

rpl is a UN*X text replacement utility. It will replace strings with new strings in multiple text files. It can work recursively

rtf2html

RTF to HTML converter.

sablotron

An XSLT Parser in C++

scdoc

scrollkeeper-dtd

DTD from the Scrollkeeper package

sdcv

sgml-common

Base ISO character entities and utilities for SGML

sgrep

Structured grep: tool for searching and indexing text, SGML,XML and HTML files and filtering text streams using structural criteria.

sigil

sloccount

Tools for counting Source Lines of Code (SLOC) for a large number of languages

spellutils

spellutils includes 'newsbody' (useful for spellchecking in mails, etc.)

sword

Library for Bible reading software.

t1utils

Type 1 Font utilities

tabler

A utility to create text art tables from delimited input

talkfilters

convert ordinary English text into text that mimics a stereotyped or otherwise humorous dialect

teckit

Text Encoding Conversion toolkit

teseq

tessdata_best

tessdata_fast

tessdata_legacy

tesseract

A commercial quality OCR engine developed at HP in the 80's and early 90's.

texi2html

Perl script that converts Texinfo to HTML

texlive

A complete TeX distribution

texlive-core

A complete TeX distribution

tkinfo

Info Browser in TK

tkman

TkMan man and info page browser

tofrodos

text file conversion utility that converts ASCII files between the MSDOS format and the Unix format

tokyodystopia

A fulltext search engine for Tokyo Cabinet

trang

Multi-format schema converter based on RELAX NG

tree

Lists directories recursively, and produces an indented listing of files.

ttf2pk2

ttf2pt1

Converts True Type to Type 1 fonts

txt2man

txt2man, src2man (C only) and bookman convert scripts for man pages.

txt2pdbdoc

Text/HTML to Doc file converter for the Palm Pilot

txt2tags

A tool for generating marked up documents (HTML, SGML, ...) from a plain text file with markup

u2ps

uchmviewer

unac

unac is a C library and a command line tool that removes accents from characters.

unpaper

a post-processing tool for scanned sheets of paper

unrtf

Converts RTF files to various formats

uudeview

uu, xx, base64, binhex decoder

vgrep

vilistextum

Html to ascii converter specifically programmed to get the best out of incorrect html.

wdiff

Create a diff disregarding formatting

webgen

A template-based static website generator.

wgetpaste

Command-line interface to various pastebins

wiki2beamer

Tool to produce LaTeX Beamer code from wiki-like input.

writerperfect

wscr

A Lightweight and Fast Anagram Solver

wv

Tool for conversion of MSWord doc and rtf files to something readable

wv2

Excellent MS Word filter lib, used in most Office suites

xapers

xapian-omega

xchm

Utility for viewing Microsoft .chm files.

xdvik

DVI previewer for X Window System

xhtml1

DTDs for the eXtensible HyperText Markup Language 1.0

xhtml11

xiphos

GTK+ based Bible study software, formerly gnomesword

xlhtml

Convert MS Excel and Powerpoint files to HTML

xlsx2csv

xml2

These tools are used to convert XML and HTML to and from a line-oriented format.

xml2doc

Tool to convert simple XML to a variety of formats (pdf, html, txt, manpage)

xml2rfc

xmldiff

a tool that figures out the differences between two similar XML files

xmlformat

Reformat XML documents to your custom style

xmlstarlet

A set of tools to transform, query, validate, and edit XML documents

xmlto

A bash script for converting XML and DocBook formatted documents to a variety of output formats

xmltoman

xournalpp

xpdf

yamlfmt

yelp-tools

yodl

zathura

A highly customizable and functional PDF viewer based on poppler and GTK+

zathura-cb

zathura-djvu

zathura-meta

zathura-pdf-mupdf

zathura-pdf-poppler

zathura-ps

zeal

zotero-bin

a2ps

html-xml-utils

psiconv

aha

html2text

psmark

aiksaurus

html401

pspdftool

an

htmldoc

pspresent

ansifilter

htmlinc

pstotext

antiword

htmlmin

psutils

antixls

htmlrecode

qpdf

App-XML-DocBook-Builder

htmltidy

qpdfview

apvlv

htp

qtikz

asa

hunspell

rarian

asciidoc

hyperestraier

recode

aspell

idnits

refbase

atril

iso-codes

restview

bact

itex2mml

rman

barcode

jabref-bin

rnc2rng

bdf2psf

jo

rnv

bibclean

katarakt

robodoc

bibletime

kbibtex

ronn-ng

bibutils

kchmviewer

rpl

binfind

kramdown-rfc

rtf2html

blahtexml

krop

sablotron

blogc

languagetool

scdoc

bogosort

lcdf-typetools

scrollkeeper-dtd

build-docbook-catalog

lesspipe

sdcv

c2ps

letterize

sgml-common

calibre

libabw

sgrep

capyt

libebook

sigil

catdoc

libepubgen

sloccount

cb2bib

libetonyek

spellutils

cedilla

libexttextcat

sword

chasen

libgepub

t1utils

cherrytree

libgxps

tabler

cmark

liblangtag

talkfilters

cmigemo

libmspub

teckit

code2html

libmwaw

teseq

convertlit

libnumbertext

tessdata_best

convmv

libodfgen

tessdata_fast

cpdf

libpaper

tessdata_legacy

crengine-ng

libqxp

tesseract

crf++

libspectre

texi2html

crm114

libspelling

texlive

crqt-ng

libstaroffice

texlive-core

crwx-ng

libwpd

tkinfo

cssmin

libwpg

tkman

cwtext

libwps

tofrodos

dblatex

libxmlpatch

tokyodystopia

delta

linuxdoc-tools

trang

dictd

llpp

tree

diction

logmerge

ttf2pk2

diff-pdf

lowdown

ttf2pt1

diffpdf

lv

txt2man

ding

mandoc

txt2pdbdoc

discount

manpager

txt2tags

djview

marknote

u2ps

djvu

master-pdf-editor

uchmviewer

docbook-dsssl-stylesheets

mathtex

unac

docbook-sgml-dtd

mdbook

unpaper

docbook-sgml-utils

mecab

unrtf

docbook-xml-dtd

mpage

uudeview

docbook-xml-simple-dtd

msort

vgrep

docbook-xsl-ns-stylesheets

multitail

vilistextum

docbook-xsl-stylesheets

mupdf

wdiff

docbook2X

mythes

webgen

docx2txt

namazu

wgetpaste

dos2unix

NaturalDocs

wiki2beamer

doxygen

nfoview

writerperfect

dvipng

nuspell

wscr

dvipsk

o3read

wv

dvisvgm

ocrad

wv2

ebook-tools

odt2txt

xapers

ebook2cw

openjade

xapian-omega

editorconfig-core-c

openpaperwork-core

xchm

enchant

openpaperwork-gtk

xdvik

enscript

opensp

xhtml1

epspdf

pandoc

xhtml11

epstool

pandoc-bin

xiphos

evince

pandoc-cli

xlhtml

expander

paper-clip

xlsx2csv

extract_url

paperwork

xml2

fblog

paperwork-backend

xml2doc

fbpdf

paps

xml2rfc

feathernotes

par

xmldiff

flpsed

pastebinit

xmlformat

foliate

pdf2html

xmlstarlet

fzy

pdfarranger

xmlto

gentoo-dtd

pdfgrep

xmltoman

ghostscript-gpl

pdfjam

xournalpp

gnome-doc-utils

pdfminer

xpdf

grip

pdfpc

yamlfmt

groonga

pdfsandwich

yelp-tools

groonga-normalizer-mysql

pdftk

yodl

grutatxt

pelican

zathura

gspell

pep

zathura-cb

gtkspell

pinfo

zathura-djvu

gtranslator

po4a

zathura-meta

gv

podofo

zathura-pdf-mupdf

halibut

poppler

zathura-pdf-poppler

hd2u

poppler-data

zathura-ps

highlight

ps2eps

zeal

hnb

ps2pkm

zotero-bin

htag