Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. It has a cornucopia of features divided into the following main categories:

•Library Management

•E-book conversion

•Syncing to e-book reader devices

•Downloading news from the web and converting it into e-book form

•Comprehensive e-book viewer

•Content server for online access to your book collection