Free Software :: Text Management

Text Management Portals

• SourceForge Text Editor Projects
• FreshMeat Text Editor Projects
• FreshMeat Text Processing Projects
• C Libraries for Text Manipulation (from the C section)
• C++ Libraries for Text Manipulation (from the C++ section)
• Perl Modules for Text Manipulation
• Linguistic software projects (list by University of Pennsylvania)
• Linguistic Software (by Bill Poser)

Unicode Text Tools

• SCIM ("Smart Common Input Method". C++ based, text input API) (cvs) (ml)
• UIM ("Universal Input Method". C based, multilingual text input API) (ml)
• FriBidi (Library which implements the algorithm for bi-directional Unicode positioning) (cvs) (ml)
• Termin (Terminal input method tool. Termin is used for typing international characters in standard Unicode compliant terminals. License: BSD-style)
• libidn (Library implementation of the Stringprep, Punycode and IDNA specifications, defined by IETF IDN working group. Libidn is used for handling internationalized domain names in network software.) (cvs)
• Canna (Library which provides a Chinese and Japanese text input system)
• Kannada (Kannada localization project) (cvs) (ml)
• im-ja (GTK+ based, generic Japanese input library. Supported input modes: Hiragana, Katakana, Zenkaku, Canna, Wnn, Kanji) (cvs) (ml)
• convmv (Tool to convert filenames and directories to a different character encoding)
• unidesc ("Unicode Description Utilities". Tools for finding out what is in a Unicode file.)
• ISCII Utilities (Tools for analyzing ISCII encoded files)

Web based Text Editors

• TinyMCE (JavaScript based text editing widget) (forum)
• FCKeditor (JavaScript based text editing tool)
• SynchroEdit (Java/JavaScript based, multi-user text-editing client/server system)

Collaborative based Text Editors

• Gobby (GTK+ based collaborative text editor) (ml)
• SynchroEdit (Java/JavaScript based, multi-user text-editing client/server system)

Screen Text Editors

• VIM ("VI iMproved". Best text editor ever!) (cvs) (ml) (deb) (gvim GNOME based VIM) (kvim KDE based VIM) (deb) (Cream Apple/Windows-style text editing extension to VIM) (cvs) (ml)
• GNU Emacs (LISP engine based text editor) (cvs) (ml) (XEmacs code-fork of GNU Emacs.) (ml)
• Kupu (Web/JavaScript based text editor. License: BSD-style) (svn) (ml)
• Kate (KDE based text editor) (ml) (deb)
• Scintilla (GTK+ based editor component) (cvs) (ml)
• Beaver (GTK+ based text editor) (cvs) (ml) (deb)
• NEdit (Motif based text editor) (cvs) (ml) (deb)
• gtranslator (GNOME based gettext po file editor) (ml) (deb)

Stream Text Editors

• GNU AWK (Text filtering tool)
• GNU Sed (Text filtering tool)
• string_replace (Perl script to replace strings in multiple files)
• KFileReplace (KDE based tool to replace strings in multiple files. Inactive project.)

Screen XML Editors

• Conglomerate (GNOME based XML editor, which aims to be a good editor for DocBook and similar XML formats.) (cvs) (ml)
• MlView (GNOME based XML editor) (cvs) (ml)
• KXML (KDE based XML editor) (cvs) (ml)

Stream XML Editors

• LibXML (DOM and SAX parser library with XML DTD validation. License: BSD-style) (ml)
• libXSLT (XSLT and EXSLT parser library for the transformation for XML documents. License: BSD-style) (ml)
• EXSLT (Community initiative to provide extensions to XSLT. License: ?) (ml)
• xmlto (Bash script wrapper for the libXML/libXSLT based XML toolchain)
• CWXML (C based library for parsing and generating XML and BXML)
• XMLStarlet (C based collection of command-line tools to transform, query, validate, and edit XML files. License: BSD style) (cvs) (ml)
• xmlcatmgr ("XML Catalog Manager". Tool to manipulate XML and SGML catalogs. (cvs)
• XML Ident (C based XML stream reformatter)
• xmlformat (REX script based tool for consistently 'normalizing' XML files. License: BSD-style)
• xmlclitools (Collection of command-line tools for searching, modifying, and formating XML. Tools included: xmlgrep, xmlngrep, xmlfmt, xmlmod)

Screen HTML Editors

• Quanta (KDE based, WYSIWYG, HTML/CSS/PHP editor) (cvs) (ml)
• Screem (GNOME based HTML editor) (cvs) (ml)
• Bluefish (GNOME based HTML editor)
• Nvu (Mozilla XUL based HTML editor)

Stream HTML Editors

• htmlex (C based HTML preprocessor) (cvs)
• htp (C based HTML, XML and CSS preprocessor. License: Clarified Artistic License) (cvs) (ml)

Binary Editors

• Executable & Library Tools (from the System Management section)
• bvi ("Binary VI". Screen-oriented editor for binary files based on VI.)

Text Comparison

• GNU DiffUtils (Collection of 4 console utilities for finding file differences: diff, diff3, patch and cmp) ("Creating and using patches")
• patchutils (Collection of diff-file utilities, like: combinediff, filterdiff, splitdiff, and grepdiff)
• similarity-utils (2 programs to help give a quantitative measure of how similar two files are. License: none, it is public domain)
• BDiff (Tool to create diff-files between two binary files)
• colordiff (Perl wrapper script to create colored file diffs) (cvs)
• quilt (C/Bash/Perl based toolset for for managing a series of patches by keeping track of the changes each patch makes) (cvs) (ml) (gquilt PyGTK based GUI front-end for quilt)
• comparator (Python scripts for finding common code segments in large source trees)
• csvutils (Shell scripts to handle comma-separated-value, aka CSV, files. License: BSD-style.)

Text Conversion

• docvert (Tool MS Word files to open file formats)
• convmv (Tool to convert filenames and directories to a different character set encoding)
• hcc ("Hany Char Convertor". Tools to convert texts from one character set encoding to another.)
• ^txt2regex$ (Bash shell script based command-line interface for building regular expressions)
• txt2docbook (Perl based tool to convert a text file into valid DocBook XML. License: BSD style) (cvs)
• docbook2X (Perl script to convert DocBook XML documents into manual pages or TexInfo documents) (cvs)
• xml2man, xmlman2html (Perl based XML to manual pages - or HTML - converter)
• xmltoman (Perl scripts to convert XML to manual pages formatted in Groff or HTML format)
• xml2 (Tool for converting XML/HTML to and from a special line-oriented data format)
• Grutatxt (Perl based plain-text to HTML converter)
• txt2html (Perl based plain-text to HTML converter)
• t2t (Perl based script convert delimited-text-data to HTML tables)
• txt2tags (Python based tool to convert a text file with markup into HTML/SGML/LaTeX and several other formats) (forum)
• rtfx (Tool for converting a RTF file into a generic XML file)
• txt2graph (Perl based tool to create a dot-file from a plain-text containing a dependency structure. The dot-file can be read by tools like springgraph to render 2D/3D graphs)
• zimg (C based tool to generate PNG/JPEG images from arbitrary formatted 2D ASCII or binary data. License: BSD-style)
• png2html (C based PNG image to HTML converter)
• ppm2html (C based PPM image to HTML converter)
• pdftohtml (C++ based tool to convert PDF files into HTML or XML files) (cvs) (ml)
• html2txt (C++ based HTML to plain-text converter)
• Vilistextum (C based HTML to plain-text converter)
• ascii2binary (C based ASCII-formatted-number to binary-formatted-number converter, the reverse is done with: binary2ascii)
• html2wml (Perl based HTML to WML converter) (ml)
• html2ps (Perl based HTML to PostScript converter) (ml)
• html2tex (C based HTML to LaTeX converter)
• wiki2pdf (Python based tool to convert Wikipedia articles into PDF or LaTeX) (cvs) (ml)
• tex2im (Bash shell script to convert LaTeX formulas into high resolution pixmap images)
• cpp2latex (C++ based tool to convert C++ source code into a LaTeX document)
• csv2latex (C based tool to convert a comma-seperated file into a LaTeX document)
• man2web (C based tool to convert Manual pages to HTML via a CGI script or the command-line) (cvs) (ml)
• IPDF (C based tool to create indexed PDF documents from text files)
• openoffice2text (Tool to convert OpenOffice suite files to text or HTML files)

Document Viewers

• Evince (GNOME based document viewer)
• KPDF (KDE based document viewer)
• xPDF (X based document viewer)
• PDFedit (Qt based PDF editor)
• PoDoFo Browser (Qt based PDF editor)

TypeSetting & PostScript Tools

• Scribus (Qt/KDE based desktop-publishing - DTP - program) (ml)
• DTPBlender (Blender based desktop-publishing system) (forum)
• Passepartout (GTK+ based desktop-publishing - DTP - program. License: BSD-style) (ml)
• teTeX (Complete TeX document typesetting system) (ml) (portal 1) (portal 2) (PSTricks) (ml)
• LaTeX (Document typesetting system based on the TeX typesetting language. License: LPPL)
• LyX (Qt based WYSIWYM LaTeX document editor) (cvs) (ml)
• Kile (KDE based LaTeX document editor. Kile is also a frontend for GnuPlot and the TeX shell.) (cvs) (ml)
• Klat (KDE/Kate based interface for editing LaTeX documents)
• Texmaker (Qt based LaTeX document editor)
• Rubber (Python based command-line frontend for compiling LaTeX documents to PostScript/PDF)
• Lilypond (teTex based music-sheet typesetting tool) (cvs) (ml)
• MuseScore (Qt based music sheet typesetting tool)
• xdvi (Display tool for the ".dvi" files created with TeX or LaTeX)
• Ghostscript (PostScript and PDF file viewer) (cvs) (ml) (another GS home)
• pstoedit (Converts Postscript and PDF files into other vector formats)
• Xpdf (PDF file viewer) (Gpdf GNOME based variant of Xpdf) (cvs)
• Poppler (PDF rendering library based on Xpdf) (cvs) (ml)
• GNU a2ps (Any to PostScript printing filter) (ml) (Tipograf Qt based front-end for a2ps)
• PDFjam (Collection of shell-script tools for interfacing with pdfpages/pdfLaTeX)
• html2ps (Perl based HTML to PostScript converter) (ml)
• Barcode Writer (PostScript based tool for creating printable files of many barcode formats. License: none, its public domain)
• abcm2ps (C based tool to convert ABC music sheet notation into PostScript format)
• IPDF (C based tool to create indexed PDF documents from text files)
• sam2p (Tool to convert several bitmap image formats into PostScript or PDF files)
• OpenRPT (Qt based graphical report writer/renderer with XML and PDF support) (cvs) (forum)
• Dvipost (Post processor for DVI files, created by LaTeX or TeX. Currently, Dvipost supports: layout raster, change bars and overstrike mode.)
• tex2im (Bash shell script to convert LaTeX formulas into high resolution pixmap images)
• PyX (Python based tool for the creation of 2D/3D encapsulated PostScript figures) (cvs) (ml)
• PDFMap (Python based tool, and CGI script, to create clickable PDF documents from images. Inactive project) (cvs)
• TexInfo (Official documentation format of the GNU project, which uses makeinfo and the teTeX document typesetting system.) (ml)

Text Synthesis & Recognition

• OCR GUI Tools (from the Multimedia section)
• Tesseract (OCR engine) (svn) (ml) (w)
• OCRopus (OCR & document analysis tool, which can use Tesseract) (svn) (ml) (w)
• Moses (Statistical machine translation -SMT- system) (svn) (ml)
• OpenFST (C library for constructing, combining, optimizing, and searching weighted finite-state transducers (FSTs))
• WordNet (Online lexical reference system. License: BSD-style)
• Rosetta (Language archive project)
• Link Grammar Parser (C based syntactic parser of English, based on link grammar theory. License: BSD-style) (forum)
• Emdros ("Engine for MdF Database Retrieval, Organization, and Storage". Text query-language engine for expressing linguistically relevant queries on a RDBMS) (ml) (forum)
• Ellogon (C based, multi-lingual, general-purpose text research framework. Ellogon includes a KDE based visualization tool and API bindings for C++, Perl, Python and other programming languages.) (forum)
• libextractor (C library for extracting keywords from files) (source)
• DDC ("Dialing DWDS Concordancer". C++ based linguistic search engine, used by German science institutions.)
• Traduki (Python based text translation toolkit) (cvs) (ml)
• dbacl (Tool to help classify text documents into categories, and then compare other text documents to the learned categories, using Bayesian filtering techniques.)
• Alice (AIML XML based QA-engine designed to pass the Turing Test) (cvs) (ml)
• Anna (AIML XML based QA-engine designed to pass the "Loebner Prize" Turing Test. Anna is a code-fork of Alice.) (cvs)
• Snowball (String processing language parser for creating stemming algorithms for use in textual query systems. Inactive project.) (cvs)
• Enca ("Extremely Naive Charset Analyser". Tool to recognize the character encoding of a text and convert it into another encoding. Inactive project.)
• Alphabet Soup (Tool to determine and hypothesize a number of things about the shapes of letters in several different writing systems)
• SCIgen (Perl based tool to generate random computer science research papers, including graphs, figures, and citations)
• Dadadoo (Tool to create 'random' sentences based on a text analysis for Markov chains of word probabilities. Inactive project.)
• Catty (Google search engine based chat bot)
• Cack (English sentences generator using 'random' words - using nouns, verbs, adjectives and adverbs in the correct context. Inactive project.)