For a collection of this size, Calibre is the gold standard, but it requires a high-performance setup to remain functional. Organization & Metadata
It is imperative to address the legal status of such large-scale compilations. While Calibre itself is a completely legal, open-source tool, the distribution of libraries containing thousands of copyrighted works often infringes on intellectual property rights (Copyright). biblioteca calibre con 50220 libros epub best
Example: calibredb list --fields title,authors --sort-by title (run in Calibre's program folder). For a collection of this size, Calibre is