Koobits!

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.

Google Play Books lets you search, preview, and buy millions of books using Google Book Search. Books in the public domain and certain copyrighted books can be read and downloaded in their entirety for free. You can buy ebooks for reading on your computer, Apple device, Android device, Nook, or Sony eReader in the Google ebookstore. All purchased eBooks are backed up online, and your page positions are automatically synced between devices.

Aldiko is an e-book reader application for the Android operating system. It supports the EPUB industry standard format for digital publications and incorporates facilities for browsing online catalogs on thousands of books (including thousands of free public domain work) and downloading them directly into the users personal library. The application features a bookshelf-like user interface that lets user navigate their collection of eBooks. It also provides a customizable reading experience through configurable font and background color, font size and type, margin size, display brightness, page turn mode, etc. Additionally, the application allows users to import their own books to read them on the go. »

EPUBReader is a Firefox addon which lets you read ePub-files just in the browser. You don't need to install additional software!

A fork of the last GPL version of EBookDroid. Supports the following formats:

Calibre Web is a web app providing a clean interface for browsing, reading and downloading eBooks using an existing Calibre database.

Simply put, Blio is a full-featured eReader for people who care about what books look like.

Collectorz.com Book Collector instantly catalogs your home library in a personal book database. Just enter enter ISBNs or scan ISBN barcodes and let Book Collector download all details and cover images.

The most powerful and easy-to-use Book Organizer

Fast and feature-packed ebook reader to get the most of your readings everywhere.User friendly advanced ebook reader for PDF and EPUB for leisure readers and students.

A global eBook platform focused on openness that provides e-book library management for users to read and share their e-books across all devices; while also allowing schools, corporate and other organizations to easily create and deploy their own digital library to provide secure access to their content across all devices.

Vivilio lets you create your online persona around books and share with the world. Label books with cool, trendy hashtags to better organize your books.Share reading recommendations with your friends in a jiffy!Discover relevant books through influencers, and know what your favorite author, entrepreneur, or celebrity read. Get reading updates not only from your friends but influencers too.Also, get more recommendations through our Blog and Curated collections. Find which like-minded readers have the same book in their shelves. Get book reviews, related articles/videos, aggregated ratings, other editions etc.Compare prices and buy books from your favorite online store »

Features- Supports the most popular eBook formats : ePub and PDF- Add your books and organise them at will- Fast book opening- Takes you back to your last read page- Direct access through the table of content- Add personalised bookmarks- Adjust font parameters to your need (Font family, font size and line space)- Day / Night reading mode- Manage reading themes (Black on white, Sepia, etc.)- Respect of the editor's book layout- Search within your library