lout – An alternative typesetting system
Lout is a long-established typesetting system with many advanced features. Its output is in PostScript, but otherwise TeX users will find many concepts familiar.
GNU General Public License
TeX (or TeX-alike) typesetting engine
Maybe you are interested in the following packages as well.
- luatex: The LuaTeX engine
- enctex: A TeX extension that translates input on its way into TeX
- nts: New Typesetting System
- parsitex: A localized Persian and bidirectional extension of TeX