Open-source alternatives to FBReader

KDE document viewer

Calibre is a comprehensive suite for digital library management, serving as a centralized hub for organizing, converting, and editing e-book collections. It functions as a multi-purpose platform that combines a relational database for metadata tracking with a powerful processing engine capable of transforming document formats and restructuring internal markup. Beyond local management, the software acts as a content server, enabling users to host their libraries over a network for remote access and reading via standard web browsers. The project distinguishes itself through its deep extensibili

Google Summer of Code project for GNOME

Modern GTK Python Ebook Reader app to easily read epub files

Buka is a modern software that helps you manage your ebook at ease.

Pdfarranger is a PDF page organizer, document editor, image converter, and booklet generator. It provides a visual drag-and-drop interface to reorder, merge, split, and delete pages within PDF documents. The application includes specialized tools for creating booklet printing layouts and converting image files into PDF pages or exporting PDF pages as PNG and JPEG images. It allows for the modification of document metadata while preserving internal outlines and hyperlinks. The software covers a range of structural manipulations, including page rotation, resizing, cropping, and overlaying. It

Document viewer

Sigil is a multi-platform ebook authoring suite and EPUB editor designed for creating, modifying, and structuring electronic publications. It serves as a digital publication tool for managing metadata and generating tables of contents for digital books. The software functions as an EPUB validator, checking ebook files for syntax errors and compliance with industry standards to ensure valid rendering. It also supports an extensible workspace where custom automation scripts can be used to add specialized capabilities. The suite covers digital content structuring and publication editing, provid

pdfsam is a PDF manipulation software and desktop application designed for splitting, merging, rotating, and extracting pages from PDF documents. It functions as a PDF editor, converter, and security tool, providing capabilities to modify document structures and manage file formats. The project distinguishes itself through specialized processing capabilities, including an OCR document processor for extracting editable text from scanned images and PDF interleaving to alternate pages from multiple files. It also provides a security suite for encrypting documents, managing access permissions, an