Affinity Publisher is a desktop publishing software developed by Serif. It allows users to create a variety of print and digital publications, such as brochures, magazines, and books. The software features a user-friendly interface and offers tools for layout design, typography, and image manipulation. With Affinity Publisher, users can work with multiple pages, manage text styles, and integrate images seamlessly. It supports advanced features like master pages and linked text frames, making it suitable for both beginners and professional designers. The software is part of the Affinity Suite, which also includes Affinity Photo and Affinity Designer.