Category/Documentation-tool

AUCTeX

Integrated environment for editing LaTeX and TeX files

AdaDoc

Documentation tool for Ada

Antiword

Converts MS-Word documents to ASCII and Postscript

Apache OpenOffice

A free office-document productivity suite providing six powerful applications

AsciiDoc

AsciiDoc is a text document format for writing short documents, articles, books and UNIX man pages.

AsmRef

Reference for x86 assembly language programmers

AutoConvert

Chinese GB/HZ/BIG5 encoding auto convert

BHL

Converts plain TXT files into HTML, LaTeX, and SGML

Booktype

Web-based collaborative book creation and publishing platform

C2html

Converts C source files to highlighted html files

CPlusPlusDoc

C++ documentation tool

Catdoc

Changes Word files to ASCII text

Chgrep

Searches for and changes a given string

ChkTeX

LaTeX typographical checker

Cko

Colors kernel messages in the BSD style

Collab

real-time shared painting software (paint chat)

Cp-tools 2

Tools for use with GNU Classpath

Cpp2latex

Converts C++ into LaTeX

Csv2latex

Converts CSV file to LaTeX

Cxref

Produces documentation from C source code

DHEX

Ncurses-based hex-editor

Deplate

Converts documents in a Wiki-like markup to LaTeX, DocBook, HTML, or "HTML slides"

Devhelp

API documentation browser for GNOME 2

Diqt

a WWW-based multilingual dictionary reference tool.

DocBook XSL Stylesheets

Stores content in a presentation neutral form

DocFrac

Converts documents between RTF, TXT, and HTML formats

Docbook2X

Converts DocBook documents to man pages and Texinfo

Doclifter

Translates n/t/g/roff documentation to DocBook XML markup

Docutils

a text processing system for processing plaintext documentation into formats such as HTML or LaTeX.

Dot2Tex

a Graphviz to LaTeX converter.

Dox

Graphical documentation browser

Doxygen

Cross-platform documentation system

Doxymacs

Makes using/creating Doxygen easier for Emacs users

Dvipng

PNG graphics from TeX DVI files

EPiX

High-level language for plotting and drawing in LaTeX

EXtrans

Translates XML documents into other formats

Earm2ipa

This program translates Armenian in UTF-8 Unicode to the International Phonetic Alphabet assuming that the dialect represented is Eastern Armenian.

Epydoc

A tool for documenting Python projects

Faq-O-Matic

Automates the creation and maintenance of a FAQ

Fig2ps

Converts xfig files to PS or PDF

GENIA Tagger

part-of-speech tagging, shallow parsing, and named entity recognition for biomedical texts.

GNU Edu

GNU Edu is an indexing system for educational resources

GNU Source-highlight

This program, given a source file, produces a document with syntax highlighting.

GNUnited Nations

a build system for www.gnu.org translations.

Glatex

A program that helps you edit LaTeX document files.

Gman

GUI for the man system

Groff

Document formatting system

Gummi

a lightweight LaTeX editor for GNOME.

HTML GenToc

Creates a table of contents for HTML documents

Header Browser

Creates documentation from C/C++ header files

Help2man

Generates manual pages from program files

Highlight

Source code to HTML, XHTML, RTF, TeX, or LaTeX converter

Html2xhtml

Converts HTML pages into XHTML pages

Indexed PDF Creator

Creates indexed PDF documents from text files

Info to html

Enhanced version of info2html

Info2html

Converts GNU .info files to HTML

Jaxml

Automatically generates XML documents

KVortaro

A tool to translate words from one language into another.

Kwaff

a pretty tool to convert Kwaff format document into XML document, and also convert XML into Kwaff.

Kwalify

a parser, schema validator, and data binding tool for YAML and JSON.

L2P

Creates PNG images from LaTeX math expressions

LTchinese

Chinese language utilities - pinyin, zhuyin, encodings, phonetics.

LaTeX

Typesetting system

LaTeX CD class

Prints CD covers with LaTeX

Lahelper

GUI for LaTeX

Latex4jed

Enhanced LaTeX mode for the Jed editor

LatexB

a very simple LaTeX building script.

Less

Display paginator

Library to create PostScript files

a C-library for generating multi page PostScript documents.

MagicPO

a utility to automatically translate a gettext po-file from one language to another.

Majix

Translates RTF files into XML

Man

Man page suite used to read GNU/Linux documentation

Man-db

Reference manual page database and browser

Man2web

Converts man pages to HTML

MkDoxy

Makes Doxygen-like web page documentation from makefiles

Mod xslt

Converts XML files to HTML files on the fly

Mopowg

a doc generator with styles, and syntax highlighting blocks.

Multitail

Tail on multiple windows with a ncurses interface

Natural Docs

Multi-language, source code documentation generator

OOoLatexEquation

OpenOffice macro for manipulating LaTeX equations

Orgadoc

Helps organize documentation

PDFResurrect

PDF analysis, extraction, and scrubbing tool.

PDFedit

Free editor for PDF documents.

PDFjam.txt

Interface to the pdfpages package for pdfLaTeX

PDFrecycle

create a PDF file by composing pages from other PDF files.

PDFtoPNG

a small utility that can convert PDFs to PNGs.

Pandoc

general markup converter

Pasdoc

Documentation generator for pascal source code

PdfTeX

Creates and enhances PDF output from TeX source files

Pdftk

Toolkit for working with PDF documents

Perl-reference

Displays Perl reference documentation

PhpMyFAQ

Database-driven FAQ system

Phpman

PHP/MySQL-based system for publishing manuals and documentation

Pinfo

Ncurses based info documentation browser

PipeMore

Pipes data to a new window

Poppler

a PDF rendering library.

Poppler Encoding Data

encoding data for the Poppler PDF library.

Preview-latex

Embeds LaTeX environments into Emacs source buffers

QuHelp

a program that generates a help site (with tree navigator and other nice stuff) using a template and a content directory.

ROBODoc

Documentation tool

RTFX

Converts RTF files into a generic XML format

RefTeX

a specialized package for support of labels, references, citations, and the indices in LaTeX.

Rlib

Creates reports from XML definition files

Rubber

Building system for LaTeX documents

Rusty

a collection of Sphinx extensions.

Seealso

Searches and prints references from manpages

Shipyard

a module to process data in a format inspired by email headers (RFC 2822).

Skribe

Word processor for writing technical documents

Slidedown

Generate syntax-highlighted slides from Markdown.

Sphinx

Python documentation generator.

Src-highlite

Turns source code into a file with syntax highlighting

StandardizeIPA

This program translates "North American IPA" in UTF-8 Unicode into the standard International Phonetic Alphabet.

Stenciltools

Tools for text generation and manipulation

System-V banner clone

Displays a 'banner' text

TeXML

XML vocabulary for TeX

Tex

Convert LaTeX or TeX source to PDF or DVI, and escape strings for LaTeX.

Tex2im

Converts LaTeX formulas into graphics

Texinfo

Produces manuals, ASCII text, and on-line documentation

Texmaker

A LaTeX development environment.

TidyDoc

A documentation organizer

TinyRML2PDF

Creates PDF documents

Tk Brief

GUI for facilitating letter writing using LaTeX

Txt2man

Converts ASCII text to man page format

Txt2tags

Format conversion tool

UDO

Converts documentation from its own UDO format to various other formats

Uni2ascii

A pair of programs that convert between Unicode and various 7-bit ASCII representations.

Unrtf

Converts from RTF to other formats

Verbiste

A French conjugation system.

Vim2html

Converts vim files to HTML

WikiLaTex

Wiki for developing and cataloging LaTeX works

Winefish

A LaTeX editor for experienced users.

XML Twig

Processes XML documents

Xinfo

X window program for reading Info files

Xlit

Converts text from one writing system into another.

Xmlg

Splits an XML file into a TextArray and XML markup information

Xmlmp

Facilitates writing *nix manpages using XML

Yelp

Gnome help browser

Z2tml

Converts files in the Z document language to HTML