StandardeBooks

GetFreeEbooks is a platform (since ~2007) that curates and shares legally free ebooks across a wide range of genres—fiction, sci‑fi, fantasy, business, self‑help, children’s literature, and more. It compiles top lists, tips, reviews, and regularly updated themed ebooks (e.g. holiday specials), all available in popular formats without registration.

PDF Books World is a platform offering free, professionally formatted PDF ebooks across diverse categories—fiction, non-fiction, academic, textbooks, and children’s literature. Many titles include features like tables of contents, internal reference links, and illustrative images, all optimized for desktop, tablet, and mobile reading.

epubBooks is a free eBook publishing and distribution platform (est. 2008), offering a hand-picked collection of quality public-domain books in both EPUB and Kindle (MOBI) formats—completely DRM-free and readable on all major devices like iPad, Android, Kindle (soon), Kobo, and desktop systems.