LibriVox 是一个在线的数字库免费公共域名有声读物图书馆，其有声书由义工朗读录制，并且可能是自2007年以来，世界上最多产的有声书出版者。LibriVox的目标是”使所有公共领域的书以有声书的格式在互联网上可免费取得”。LibriVox 在欧洲有一个姊妹网站”Legamus”，到2012年年底 LibriVox 已有6,244 本 全本书和较短的作品可以下载，而且平均每月出产89本有声书。

LibriVox的有声书总共以33种语言发音，其中大约90％的有声书是英语发音的。

LibriVox is a group of worldwide volunteers who read and record public domain texts creating free public domain audiobooks for download from their website and other digital library hosting sites on the internet. It was founded in 2005 by Hugh McGuire to provide "Acoustical liberation of books in the public domain." As of April 2015 it had 8,664 items in its collection. Most releases are in the English language, but many non-English works are also available. There are multiple affiliated projects that are providing additional content. LibriVox is closely affiliated with Project Gutenberg, and the Internet Archive that hosts their offerings.