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

cuneiform

An enterprise quality OCR engine developed in USSR/Russia in the 90's.

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

fbreader

E-Book Reader. Supports many e-book formats.

feathernotes

fictionup

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

kjots

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.

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

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

simple-fb2-reader

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

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

xournal

Xournal is an application for notetaking, sketching, and keeping a journal using a stylus.

xournalpp

xpdf

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

highlight

ps2pkm

aha

hnb

psiconv

aiksaurus

htag

psmark

an

html-xml-utils

pspdftool

ansifilter

html2text

pspresent

antiword

html401

pstotext

antixls

htmldoc

psutils

App-XML-DocBook-Builder

htmlinc

qpdf

apvlv

htmlmin

qpdfview

asa

htmlrecode

qtikz

asciidoc

htmltidy

rarian

aspell

htp

recode

atril

hunspell

refbase

bact

hyperestraier

restview

barcode

idnits

rman

bdf2psf

iso-codes

rnc2rng

bibclean

itex2mml

rnv

bibletime

jabref-bin

robodoc

bibutils

jo

ronn-ng

binfind

katarakt

rpl

blahtexml

kbibtex

rtf2html

blogc

kchmviewer

sablotron

bogosort

kjots

scdoc

build-docbook-catalog

kramdown-rfc

scrollkeeper-dtd

c2ps

krop

sdcv

calibre

languagetool

sgml-common

capyt

lcdf-typetools

sgrep

catdoc

lesspipe

sigil

cb2bib

letterize

simple-fb2-reader

cedilla

libabw

sloccount

chasen

libebook

spellutils

cherrytree

libepubgen

sword

cmark

libetonyek

t1utils

cmigemo

libexttextcat

tabler

code2html

libgepub

talkfilters

convertlit

libgxps

teckit

convmv

liblangtag

teseq

cpdf

libmspub

tessdata_best

crengine-ng

libmwaw

tessdata_fast

crf++

libnumbertext

tessdata_legacy

crm114

libodfgen

tesseract

crqt-ng

libpaper

texi2html

crwx-ng

libqxp

texlive

cssmin

libspectre

texlive-core

cuneiform

libstaroffice

tkinfo

cwtext

libwpd

tkman

dblatex

libwpg

tofrodos

delta

libwps

tokyodystopia

dictd

libxmlpatch

trang

diction

linuxdoc-tools

tree

diff-pdf

llpp

ttf2pk2

diffpdf

logmerge

ttf2pt1

ding

lowdown

txt2man

discount

lv

txt2pdbdoc

djview

mandoc

txt2tags

djvu

manpager

u2ps

docbook-dsssl-stylesheets

master-pdf-editor

unac

docbook-sgml-dtd

mathtex

unpaper

docbook-sgml-utils

mdbook

unrtf

docbook-xml-dtd

mecab

uudeview

docbook-xml-simple-dtd

mpage

vgrep

docbook-xsl-ns-stylesheets

msort

vilistextum

docbook-xsl-stylesheets

multitail

wdiff

docbook2X

mupdf

webgen

docx2txt

mythes

wgetpaste

dos2unix

namazu

wiki2beamer

doxygen

NaturalDocs

writerperfect

dvipng

nfoview

wscr

dvipsk

nuspell

wv

dvisvgm

o3read

wv2

ebook-tools

ocrad

xapers

ebook2cw

odt2txt

xapian-omega

editorconfig-core-c

openjade

xchm

enchant

openpaperwork-core

xdvik

enscript

openpaperwork-gtk

xhtml1

epspdf

opensp

xhtml11

epstool

pandoc

xiphos

evince

pandoc-bin

xlhtml

expander

pandoc-cli

xlsx2csv

extract_url

paper-clip

xml2

fblog

paperwork

xml2doc

fbpdf

paperwork-backend

xml2rfc

fbreader

paps

xmldiff

feathernotes

par

xmlformat

fictionup

pastebinit

xmlstarlet

flpsed

pdf2html

xmlto

foliate

pdfarranger

xmltoman

fzy

pdfgrep

xournal

gentoo-dtd

pdfjam

xournalpp

ghostscript-gpl

pdfminer

xpdf

gnome-doc-utils

pdfpc

yelp-tools

grip

pdfsandwich

yodl

groonga

pdftk

zathura

groonga-normalizer-mysql

pelican

zathura-cb

grutatxt

pep

zathura-djvu

gspell

pinfo

zathura-meta

gtkspell

po4a

zathura-pdf-mupdf

gtranslator

podofo

zathura-pdf-poppler

gv

poppler

zathura-ps

halibut

poppler-data

zeal

hd2u

ps2eps

zotero-bin