Affinity Publisher - Professional desktop publishing app

Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.

Contenta Publishing Suite - Contenta Publishing Suite is an advanced-level and web-based publishing software solution offered by RWS that allows you to create good quality content and offers you optimized steps and procedures to publish the content successfully.

LaTeXDraw - LaTeXDraw is a graphical drawing editor for LaTeX.

Xpublisher - Xpublisher is a content publishing software that helps you to structure your content and then allows you to easily publish the content on various platforms.

Ipe - Ipe is a drawing editor for creating figures in PDF or (encapsulated) Postscript format.