#Metadata Management
Calibre
Calibre is a powerful, free, and open-source e-book management software that supports e-book format conversion, metadata editing, e-book reading, and device synchronization, making it an essential tool for digital reading enthusiasts.
Resize Master
Resize Master is an efficient batch image processing tool for macOS, supporting batch resizing, watermarking, and metadata management. Ideal for photographers and designers to quickly process large volumes of images, it features intelligent resizing algorithms and multi-format output, significantly improving workflow efficiency.
Sigil
Sigil is an open-source, cross-platform EPUB e-book editor supporting EPUB 2/3 standards. It offers dual modes—book view and code view—complete metadata management, and real-time preview, making it ideal for content creators and e-book enthusiasts to easily produce high-quality e-books.
Tropy
Tropy is an open-source image management tool specifically designed for academic researchers, helping users efficiently manage, organize, and analyze archival photographs. It supports intelligent metadata management, image annotation, and cross-platform usage, enabling users to transform scattered images into structured research materials and enhance research productivity.