Free latex software for linux

LaTeXDB project brings together LaTeX and a MySQL database. You can use SQL queries in your LaTeX document and loop over the result sets creating tables, serial letters, and other stuff.
LaTeXDB is pretty simple to use, there are only three new commands to extend your LaTeX files: With them you define a database connection, create queries and access the result sets.
You include commands such as
texdbconnection{DBType,host,user,passwd,db}
to setup a database connection,
texdbdef{##query}{select var1,var2,... from table where...}{##VAR1,##VAR2,...}
to define a query, and
texdbfor{##query}{... some LaTeX stuff with ##VAR1, ...}
to use the results in your LaTeX code.
Installation:
This is easy too: Grab the archive, unpack it, and run install as root, or for minimum functionality copy latexdb, latexdb.py and latexdb-preparse.py from the code directory to /usr/local/bin or some other directory that can be found in $PATH. Only put them in the same directory, because latexdb expects latexdb.py and latexdb-preparse.py in its own directory.
Enhancements:
- A bug within the preparser that caused latexdb to break in texdbfor loops with too big arguments was fixed (contributed by Francois Meyer)
- New script pdflatexdb which is the same as latexdb but calls pdflatex instead of latex, so it generates PDF, not DVI files (user request)

HTML::Latex is a Perl module that creates a Latex file from an HTML file.

SYNOPSIS

use HTML::Latex

my $parser = new HTML::Latex($conffile);
$parser->set_option(%options);
$parser->add_package(@packages);
$parser->ban_tag(@banned);
$parser->set_log($logfile);

# Option 1:
foreach my $uri (@ARGV) {
my ($htmlfile,$latexfile) = $parser->html2latex($uri);
}

# Option 2:
foreach my $uri (@ARGV) {
my $in = IO::File->new("< $uri");
my $out = IO::File->new("> $uri.tex");
$parser->html2latex($in,$out);
}

# Option 3:
my $html_string = join("n",);
my $tex_string = $parser->parse_string($html_string,1);

# Option 4:
my $html_string = join("",@ARGV);
my $tex_string = $parser->parse_string($html_string);
print $tex_string;

This class is used to create a text file in Latex format from a file in HTML format. Use the class as follows:

1. Create a new HTML::Latex object.
2. Override any options using set_option(), add_package(), ban_tag(), or set_log().
3. Run html2latex() on a file or URL.
4. Do whatever you want with the filename that was returned.

Pod::LaTeX is a Perl module to convert Pod data to formatted Latex.

SYNOPSIS

use Pod::LaTeX;
my $parser = Pod::LaTeX->new ( );

$parser->parse_from_filehandle;

$parser->parse_from_file (file.pod, file.tex);

Pod::LaTeX is a module to convert documentation in the Pod format into Latex. The pod2latex command uses this module for translation.

Pod::LaTeX is a derived class from Pod::Select.

The purpose of the preview-latex package is to embed LaTeX environments such as display math or figures into Emacs source buffers. By mouse clicking, you can open the original text.

After editing, another click will just run the region in question through LaTeX and redisplay the new results. It requires version 21.1 or higher of Emacs or XEmacs and AUCTeX.

WYSIWYG (what you see is what you get) sometimes is considered all the rage, sometimes frowned upon. Do we really want it? Wrong question. The right question is what we want from it. Except when finetuning the layout, we dont want to use printer fonts for on-screen text editing.

The low resolution and contrast of a computer screen render all but the coarsest printer fonts (those for low-quality newsprint) unappealing, and the margins and pagination of the print are not wanted on the screen, either.

On the other hand, more complex visual compositions like math formulas and tables cant easily be taken in when seen only in the source. preview-latex strikes a balance: it only uses graphic renditions of the output for certain, configurable constructs, does this only when told, and then right in the source code.

Switching back and forth between the source and preview is easy and natural and can be done for each image independently. Behind the scenes of preview-latex, a sophisticated framework of other programs like `dvipng, Dvips and GhostScript are employed together with a special LaTeX style file for extracting the material of interest in the background and providing fast interactive response.

LaTeX::Table is a Perl module that provides functionality for an intuitive generation of LaTeX tables for reports or theses.

LaTeX::Table ships with some predefined, good-looking table styles, and supports multipage tables via the xtab package.

Installation:

To install this module, run the following commands:

perl Makefile.PL
make
make test
make install

Alternatively, to install with Module::Build, you can use the following
commands:

perl Build.PL
./Build
./Build test
./Build install

Now start the script generate_examples.pl in the examples directory of this
distibution.

perl generate_examples.pl

This script generates some LaTeX files with some example tables. Now please compile these examples with LaTeX and check if all tables look ok:

latex examples.tex
xdvi examples.dvi

LaTeX Symbols Selector project is a symbol browser to help creating LaTeX documents with many math symbols.
All symbols are grouped into categories and user can copy symbol name to system-wide clipboard (or insert it directly to first running copy of gVIM) by selecting symbol icon from list. Many non-standard (and unsupported in LSS) symbols can be found in the comprehensive LATEX symbol list here.
Main features:
- Built-in 478 LaTeX symbols
- Most of AMS symbols are supported
- Easy integration with gVIM editor
- Selected symbol name can be copied into clipboard for use with your favourite editor

AUCTeX is an extensible package for writing and formatting TeX files in GNU Emacs and XEmacs.
Main features:
Editing:
- Insert macros, environments and headings with a simple key stroke or via a menu entry. AUCTeX will help you by prompting for parameters in case of known macros and environments. There is a completion mechanism for partially written macros available as well.
- Use keyboard shortcuts for inserting math.
- Sophisticated fontification and indentation of TeX/LaTeX macros and environments.
- Fold macros and environments and show their contents or a pre-defined string instead. You can temporarily show the folded content again for editing.
Compiling:
- Run various TeX/LaTeX interpreters and related programs like BibTeX or makeindex from within Emacs.
- View errors of the compiler run and jump to the respective place in the TeX/LaTeX source code.
Viewing:
- Start viewers for DVI, PostScript and PDF output from within Emacs.
- Use forward and inverse search with DVI viewers.
Extensibility and customizability:
- Support for macros and environments of many TeX/LaTeX packages with the use of style files.
- Easily extensible by writing your own style files.
- Many aspects of AUCTeX can be adapted to fit your personal working style via the customize mechanism provided by Emacs.
Enhancements:
- A new function TeX-doc for accessing docs on C-c ?.
- New "Clean" and "Clean All" commands for intermediate and output files. pdfsync support (forward search in PDF files).
- LaTeX comes with its own toolbar enabled by default.
- Some bugs have been fixed.

Laeqed is a Latex equation editor specifically targeted at producing PNG images of math equations for use on web pages.

Laeqed runs wherever Java and Latex runs, i.e. Linux, Windows, Mac...

The Latex equation, preamble, postamble and dvipng options are saved with the PNG as meta data. This means that you can reopen any equation created by Laeqed and edit it if necessary.

Here is a listing of the meta data saved with the metric equation seen in the above screenshot:

$ pngmeta --all metric.png
pngmeta: PNG metadata for metric.png:
image-format: PNG
image-colors: 8
image-width: 343
image-height: 42
image-type: Palette, non-interlaced
LaeqedPreamble: documentclass{article}
usepackage{amssymb,amsmath}
usepackage{mathptmx}% Times Roman font
pagestyle{empty}
begin{document}
begin{displaymath}
LaeqedPostamble: end{displaymath}
newpage
end{document}

LaeqedDvipngOptions: -T tight -x 1200 -z 9 -bg Transparent
LaeqedEquation: text{d}s^2 = (c;text{d}t^2) - a^2(t) left[
frac{text{d}r^2}{1 - kr^2} r^2 left(
text{d}theta^2 + sin^2 theta text{d}phi^2 right)
right]