# Suggestions for pdftex

The following packages have something in common with the package pdftex. The packages are ordered in decreasing similarity.

- luatex: The LuaTeX engine
- etex: An extended version of TeX, from the NTS project
- xetex: An extended variant of TeX for use with Unicode sources
- ptex: A TeX system for publishing in Japanese
- aleph: Extended TeX
- ant: A typesetting system inspired by TeX
- vtex-free: TeX system and PDF support for Linux and OS/2
- lout: An alternative typesetting system
- nts: New Typesetting System
- javatex: A Java implementation of TeX
- lametex: A PostScript translator for a subset of LaTeX
- oriental: A version of TeX for which Oriental languages are native
- undump: Make a new executable with format loaded
- xet-tex: A bi-directional version of TeX
- enctex: A TeX extension that translates input on its way into TeX
- parsitex: A localized Persian and bidirectional extension of TeX
- omega: A wide-character-set extension of TeX
- atari-cstex: TeX for Atari machines
- mltex: The MLTeX system
- tex-extensions: Proposals for extensions to TeX
- pdftex-oztex: pdfTeX designed to run with OzTeX
- uptex: Unicode version of pTeX
- tex: A sophisticated typesetting engine
- knuth-dist: The current state of Knuth's contributions
- tex--xet: Bidirectional extension of TeX
- tex-gpc: A collection of change files for a TeX system based on GNU Pascal
- tex-fpc: A collection of change files for a TeX system based on Free Pascal