A semantic and syntactic checker for LaTeX source files, designed to complement LaTeX's own built-in checks.

Replacement for psfrag usable with PDF. Lets the user add arbitrary TeX constructs located by anchor points. Only available for Mac OS X.

A free tool from Jam Software, that produces LaTeX source code from a cell-selection in Microsoft Excel.

A tool for describing geometric constructions and making digital illustrations in LaTeX and bitmap format. Available for Windows and Linux.

Package to allow the preparation of documents in HTML, with the simultaneous production a neat printable LaTeXed version. Unlike some other systems, this is not a general LaTeX-to-HTML converter.

A Java picture editor with a graphical interface. Outputs LaTeX, eepic, and pstricks code for use in documents.

LaTeX front end for KDE, that integrates many tools needed to develop documents with LaTeX, in just one application.

Perl script to automatically run latex and related commands. It may also start a previewer and then run latex whenever the source files are updated, so that the previewer gives an up-to-date view of the document.

A filter, written in Perl, that converts entries in .idx files such that makeindex sorts them correctly for non-english languages. Description and download.

Interactive (La)TeX log display and analysis tool written in Java.

Post-processing of PDF files produced by (La)TeX, to add dynamic effects for presentations. Download the Java program, style files, and documentation.

A Python script to automatically run latex and related commands on a LaTeX source file. Sourceforge page.

TeX drawing tool for Windows which supports several output formats. Contains download and online documentation.

Index processor to create indexes for arbitrary document-preparation systems. Includes overview, documentation, FAQ, and download. [GPL license]