Apps to Desktop publishing

GNU TeXmacs is a powerful, free scientific text editor and typesetting system designed for complex documents, particularly in scientific and mathematical fields. It offers a WYSIWYG interface tailored for technical writing.

TeXworks is an open-source cross-platform document processor that leverages the power of TeX and LaTeX, providing a user-friendly interface for creating high-quality typeset documents, especially those with complex mathematical equations and intricate layouts.

sK1 is a versatile, open-source vector illustration program designed for professional graphic design and desktop publishing. It offers comprehensive tools for creating and editing vector graphics, with strong support for SVG and excellent color management, making it a robust alternative for illustrators and designers.

MiKTeX is a distribution of the TeX/LaTeX typesetting system primarily for Microsoft Windows. It provides a comprehensive suite of tools and packages for creating high-quality documents, particularly in academic and technical fields.

Calligra Suite is a comprehensive graphic art and office suite developed by KDE. It provides a rich set of applications for word processing, spreadsheets, presentations, vector drawing, and database management, catering to a wide range of productivity and creative needs.

Scribus is a professional, open-source desktop publishing (DTP) software designed for creating layouts for brochures, newsletters, magazines, newspapers, books, and interactive PDF presentations. It offers advanced layout and typesetting tools for graphic designers and publishers.

Apache OpenOffice Writer is a powerful, open-source word processor offering a comprehensive set of tools for creating professional documents. It's a key component of the OpenOffice suite, providing a free alternative for users needing robust document creation and editing capabilities.

Kile is a feature-rich TeX/LaTeX editor designed for creating professional documents, equipped with advanced tools for writing, previewing, and managing complex projects.