Scribus
Scribus is a free and open-source desktop publishing (DTP) application used for creating professional-quality documents such as brochures, newsletters, magazines, and posters. It provides advanced layout, typography, and color management features, supporting vector graphics, image handling, and PDF export. It is cross-platform and widely used in publishing, design, and print production workflows.
Developers should learn Scribus when working on projects that require high-quality print or digital document design, such as creating technical manuals, marketing materials, or academic publications. It is particularly useful for integrating with open-source ecosystems, automating layouts via scripting (e.g., with Python), and ensuring precise control over typography and color for professional output.