Additional
Information: Projects aimed at extending TeX or developing a successor.
Extensions Sites:
TeX in C TeX in C: Project converting the TeX source code from Web to C. Download of code and information on the conversion. (Extensions) http://www.math.uni.wroc.pl/~hebisch/tex/
HyperTeX HyperTeX: A standard of \specials for turning (La)TeX documents in hyperdocuments supported by previewers for DVI and Postscript files. (Extensions) http://arxiv.org/hypertex/
Omega Project Omega Project: Omega is an extension of TeX developed by John Plaice (Université Laval, Canada) and Yannis Haralambous (Atelier Fluxus Virus, France) aimed primarily at improving TeX's multilingual abilities. (Extensions) http://omega.cse.unsw.edu.au/
FarsiTeX FarsiTeX: Free Persian/English bidirectional typesetting system based on TeX. Currently available only for DOS. (Extensions) http://www.farsitex.org/
easyLaTeX easyLaTeX: Software which calls all tools necessary to create PDF, DVI or HTML output out of simple text files (via LaTeX) using LaTeX like syntax. Download and documentation. (Extensions) http://www.8ung.at/easylatex/
TeX++ TeX++: A modern and free C++ implementation of TeX based on CommonTeX. (Extensions) http://www.damtp.cam.ac.uk/user/kp229/tex++/
TeXlib TeXlib: A SourceForge project to develop a run-time TeX library, with support for enhancements such as e-TeX, pdf-e-TeX, Omega. (Extensions) http://sourceforge.net/projects/texlib/
mimeTeX mimeTeX: Program licensed under the GNU GPL which parses LaTeX math expressions emitting images which can be used directly in HTML documents. Introduction, manual and download. (Extensions) http://www.forkosh.com/htdocs/mimetex.html
PDFTeX PDFTeX: A version of TeX that produces PDFs instead of DVIs. (Extensions) http://www.tug.org/applications/pdftex/
NTS NTS: The NTS projected is aimed at developing successor for TeX; a New Typesetting System. (Extensions) http://nts.tug.org/