a2ps

Any to PostScript filter

agrep

agrep is a tool for the fast searching of text allowing for errors in the search pattern.

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

arianna

asa

ascii

ascii-design

asciidoc

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

aspell

A spell checker replacement for ispell

atril

baca

bact

Boosting Algorithm for Classification of Trees

barcode

barcode generator

bdf2psf

bib2x

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++)

cafe

cajviewer

calibre

Ebook management application.

calibre-bin

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.

cewl

chasen

Japanese Morphological Analysis System, ChaSen

cherrytree

chmk

cmark

cmark-gfm

cmigemo

C/Migemo -- Migemo library implementation in C

code-minimap

code2html

Converts source files to colored HTML output.

colorpedia

confget

confluence_poster

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

dadadodo

db2latex-xsl

dbf

dblatex

dehelper

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

docfrac

docx2txt

dooit

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

endesive

enscript

powerful text-to-postscript converter

epspdf

epstool

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

epub-create

epubgrep

epy

eshelper

eudic

evince

expander

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

explain

extractpdfmark

extract_url

fblog

fbpdf

fbreader

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

feathernotes

fictionup

flpsed

Pseudo PostScript editor

fntsample

foliate

fontreport

ford

forester

frhelper

fzy

gentoo-dtd

ghostscript-gpl

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

gimagereader

glpresent

gnome-doc-utils

A collection of documentation utilities for the Gnome project

goldendict

gourou

gpp

grammalecte

grip

groff-utf8

gron

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

haskell-awk

hd2u

Dos2Unix text file converter

hfst-ospell

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.

hoedown

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

htmldiff

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

ims-schemas

iso-codes

Provides the list of country and language names

ispell

itex2mml

jabref-bin

jo

kami

kanaconv

katarakt

kbibtex

A BibTeX editor for KDE to edit bibliographies used with LaTeX

kchmviewer

keening

kjots

klogg

komikku

koodo-reader-bin

kramdown-rfc

krop

labelnation

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

litetran

lizard

llpp

logmerge

logseq-bin

Lorien-bin

lowdown

lsp

ltex-ls

lv

Powerful Multilingual File Viewer

maggot-dict

mandoc

Manifest.gz

manpager

master-pdf-editor

mathml-xml-dtd

mathtex

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

mbtpdfasm

mbtPdfAsm can assemble/merge PDF files, extract information from PDF files, and update the metadata in PDF files.

mdbook

mecab

Yet Another Part-of-Speech and Morphological Analyzer

mimedown

mmark

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

notes

noweb

nuspell

o3read

Converts OpenOffice formats to text or HTML.

obsidian

ocrad

GNU Ocrad is an OCR (Optical Character Recognition) program

OCRmyPDF

ods2md

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

owo

pandoc

pandoc-bin

pandoc-cli

pandoc-crossref-bin

paper-clip

paperwork

paperwork-backend

papis

paps

par

pastebinit

pdf2djvu

pdf2html

Converts pdf files to html files

pdfarranger

pdfchain

pdfcube

pdfgrep

pdfjam

pdfnup, pdfjoin and pdf90

pdfminer

pdfpc

pdfposter

pdfsandwich

pdfsplit

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

powerword

prince

proselint

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

psjoin

psmark

pspdftool

pspresent

A tool to display full-screen PostScript presentations.

pstotext

extract ASCII text from a PostScript or PDF file

psutils

PostScript Utilities

pyglossary

qpdf

qpdfview

qtikz

qtspell

rarian

A documentation metadata library

rdrview

recode

Convert files between various character sets

refbase

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

regldg

restview

rig

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++

sarcasm-formatter

scdoc

scrollkeeper-dtd

DTD from the Scrollkeeper package

sdcv

sfnt2woff

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

simplenote

sioyek

sloccount

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

smu

spellutils

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

sshpaste

stardict

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

Text-Reflow

the-platinum-searcher-bin

tkinfo

Info Browser in TK

tkman

TkMan man and info page browser

tldr

tldr-c

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.

trim-trailing-spaces

tss

ttembed

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

typst

u2ps

unac

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

unfurl

uni2ascii

unicode

uniutils

unpaper

a post-processing tool for scanned sheets of paper

unrtf

Converts RTF files to various formats

urlscan

uudeview

uu, xx, base64, binhex decoder

vale

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

xbel-dtd

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

xmlroff

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

ydcv

ydcv-rs

ydgo

yelp-tools

yodl

youdao-dict

zaread

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

zettlr-bin

zola

zotero-bin

a2ps

halibut

powerword

agrep

haskell-awk

prince

aha

hd2u

proselint

aiksaurus

hfst-ospell

ps2eps

an

highlight

ps2pkm

ansifilter

hnb

psiconv

antiword

hoedown

psjoin

antixls

htag

psmark

App-XML-DocBook-Builder

html-xml-utils

pspdftool

apvlv

html2text

pspresent

arianna

html401

pstotext

asa

htmldiff

psutils

ascii

htmldoc

pyglossary

ascii-design

htmlinc

qpdf

asciidoc

htmlmin

qpdfview

aspell

htmlrecode

qtikz

atril

htmltidy

qtspell

baca

htp

rarian

bact

hunspell

rdrview

barcode

hyperestraier

recode

bdf2psf

idnits

refbase

bib2x

ims-schemas

regldg

bibclean

iso-codes

restview

bibletime

ispell

rig

bibutils

itex2mml

rman

binfind

jabref-bin

rnc2rng

blahtexml

jo

rnv

blogc

kami

robodoc

bogosort

kanaconv

ronn-ng

build-docbook-catalog

katarakt

rpl

c2ps

kbibtex

rtf2html

cafe

kchmviewer

sablotron

cajviewer

keening

sarcasm-formatter

calibre

kjots

scdoc

calibre-bin

klogg

scrollkeeper-dtd

capyt

komikku

sdcv

catdoc

koodo-reader-bin

sfnt2woff

cb2bib

kramdown-rfc

sgml-common

cedilla

krop

sgrep

cewl

labelnation

sigil

chasen

languagetool

simple-fb2-reader

cherrytree

lcdf-typetools

simplenote

chmk

lesspipe

sioyek

cmark

letterize

sloccount

cmark-gfm

libabw

smu

cmigemo

libebook

spellutils

code-minimap

libepubgen

sshpaste

code2html

libetonyek

stardict

colorpedia

libexttextcat

sword

confget

libgepub

t1utils

confluence_poster

libgxps

tabler

convertlit

liblangtag

talkfilters

convmv

libmspub

teckit

cpdf

libmwaw

teseq

crengine-ng

libnumbertext

tessdata_best

crf++

libodfgen

tessdata_fast

crm114

libpaper

tessdata_legacy

crqt-ng

libqxp

tesseract

crwx-ng

libspectre

texi2html

cssmin

libspelling

texlive

cuneiform

libstaroffice

texlive-core

cwtext

libwpd

Text-Reflow

dadadodo

libwpg

the-platinum-searcher-bin

db2latex-xsl

libwps

tkinfo

dbf

libxmlpatch

tkman

dblatex

linuxdoc-tools

tldr

dehelper

litetran

tldr-c

delta

lizard

tofrodos

dictd

llpp

tokyodystopia

diction

logmerge

trang

diff-pdf

logseq-bin

tree

diffpdf

Lorien-bin

trim-trailing-spaces

ding

lowdown

tss

discount

lsp

ttembed

djview

ltex-ls

ttf2pk2

djvu

lv

ttf2pt1

docbook-dsssl-stylesheets

maggot-dict

txt2man

docbook-sgml-dtd

mandoc

txt2pdbdoc

docbook-sgml-utils

Manifest.gz

txt2tags

docbook-xml-dtd

manpager

typst

docbook-xml-simple-dtd

master-pdf-editor

u2ps

docbook-xsl-ns-stylesheets

mathml-xml-dtd

unac

docbook-xsl-stylesheets

mathtex

unfurl

docbook2X

mbtpdfasm

uni2ascii

docfrac

mdbook

unicode

docx2txt

mecab

uniutils

dooit

mimedown

unpaper

dos2unix

mmark

unrtf

doxygen

mpage

urlscan

dvipng

msort

uudeview

dvipsk

multitail

vale

dvisvgm

mupdf

vgrep

ebook-tools

mythes

vilistextum

ebook2cw

namazu

wdiff

editorconfig-core-c

NaturalDocs

webgen

enchant

nfoview

wgetpaste

endesive

notes

wiki2beamer

enscript

noweb

writerperfect

epspdf

nuspell

wscr

epstool

o3read

wv

epub-create

obsidian

wv2

epubgrep

ocrad

xapers

epy

OCRmyPDF

xapian-omega

eshelper

ods2md

xbel-dtd

eudic

odt2txt

xchm

evince

openjade

xdvik

expander

openpaperwork-core

xhtml1

explain

openpaperwork-gtk

xhtml11

extractpdfmark

opensp

xiphos

extract_url

owo

xlhtml

fblog

pandoc

xlsx2csv

fbpdf

pandoc-bin

xml2

fbreader

pandoc-cli

xml2doc

feathernotes

pandoc-crossref-bin

xml2rfc

fictionup

paper-clip

xmldiff

flpsed

paperwork

xmlformat

fntsample

paperwork-backend

xmlroff

foliate

papis

xmlstarlet

fontreport

paps

xmlto

ford

par

xmltoman

forester

pastebinit

xournal

frhelper

pdf2djvu

xournalpp

fzy

pdf2html

xpdf

gentoo-dtd

pdfarranger

ydcv

ghostscript-gpl

pdfchain

ydcv-rs

gimagereader

pdfcube

ydgo

glpresent

pdfgrep

yelp-tools

gnome-doc-utils

pdfjam

yodl

goldendict

pdfminer

youdao-dict

gourou

pdfpc

zaread

gpp

pdfposter

zathura

grammalecte

pdfsandwich

zathura-cb

grip

pdfsplit

zathura-djvu

groff-utf8

pdftk

zathura-meta

gron

pelican

zathura-pdf-mupdf

groonga

pep

zathura-pdf-poppler

groonga-normalizer-mysql

pinfo

zathura-ps

grutatxt

po4a

zeal

gspell

podofo

zettlr-bin

gtkspell

poppler

zola

gtranslator

poppler-data

zotero-bin

gv