Markdown Viewer is a macOS application that enables Quick Look preview and PDF opening of Markdown documents with GitHub-flavored Markdown support. It renders Markdown as formatted text in Finder and converts documents to paginated PDFs for Preview, supporting light/dark modes and local images via relative links.
AntiPDF is a Windows PDF reader and editor that offers a distraction-free reading experience with features like text reflow, dark mode support, OCR, markup tools, and local processing without ads or tracking. The app provides free basic functionality with optional Pro features for redaction, signatures, and document sharing.
Nostos is a self-hosted application that integrates reading, note-taking, and writing in one environment. Users can manage physical books, EPUBs, PDFs, and audiobooks; capture contextual notes and highlights; connect ideas through a wiki-like topic system; and draft writing projects with source material accessible alongside. The interface prioritizes focused work over social features and engagement mechanics.