Open-source alternatives to PixleyReader

Marp is a presentation framework that transforms plain text files into slide decks using Markdown syntax. It functions as a converter and static site generator, enabling the creation of structured visual presentations that can be exported into formats including HTML, PDF, and PowerPoint. The project distinguishes itself through a modular architecture that supports custom themes and plugins, allowing users to extend the core conversion pipeline. It provides a command-line interface for automated file processing and includes reactive file-system watching to facilitate a live preview development

Zettlr is an academic markdown editor and research note management tool designed for professional writing and knowledge organization. It functions as a document processor that enables users to draft, structure, and manage research projects within a unified workspace. The application distinguishes itself by integrating a Zettelkasten-based knowledge management system, allowing users to link related research concepts and notes to foster discovery. It utilizes a local-file-system persistence model, ensuring that all data remains under user control and portable across different environments. The