Typesetting

Free · Open
An extended version of pdfTeX, a TeX-based computer typesetting system, using Lua as an embedded scripting language
AlertCaution is advised.

Free · Open
A free software distribution for the TeX document production system that includes major TeX-related programs, macro packages, and fonts
AlertCaution is advised.

Free · Open
A TeX typesetting engine for creating high-quality documents by incorporating modern fonts from around the world
AlertCaution is advised.