Suggestions for e-TeX
The following packages have something in common with the package e-TeX. The packages are ordered in decreasing similarity.
- hitex: A TeX extension writing HINT output for on-screen reading
 - luatex: The LuaTeX engine
 - pdftex: A TeX extension for direct creation of PDF
 - xetex: An extended variant of TeX for use with Unicode sources
 - aleph: Extended TeX
 - ptex: A TeX system for publishing in Japanese
 - ant: A typesetting system inspired by TeX
 - 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
 - vtex-free: TeX system and PDF support for Linux and OS/2
 - 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
 - hitex-def: Support files for HiTeX
 - knuth-dist: The current state of Knuth's contributions
 - tex: A sophisticated typesetting engine
 - uptex: Unicode version of pTeX
 - 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