The most popular alternative is LaTeX, which is both free and Open Source. If that doesn't suit you, our users have ranked 5 alternatives to SILE so hopefully you can find a suitable replacement. Other interesting SILE alternatives are MacTeX (Free, Open Source), Pollen (Free, Open Source), ConTeXt (Typesetting System) (Free, Open Source) and Groff (Free, Open Source).
- LaTeX is a document markup language and document preparation system for the TeX typesetting program.
- MacTeX is a redistribution of TeX Live, including Mac-specific utilities and front-ends.
- Pollen is a publishing system that helps authors create beautiful and functional web-based books.
- ConTeXt is a typesetting system based on TeX.
- The groff (GNU troff) software is a typesetting package which reads plain text mixed with formatting commands and produces formatted output.