Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e., a single entry in your library that may correspond to actual e-book files in several formats.
tags: Portable books built-in-editor built-in-viewer customizableCOPS' main advantages are :
tags: ebook-library ebooks opds opds-book-catalogue opds-library