Distributed Proofreaders is described as 'Provides a web-based method to ease the conversion of Public Domain books into e-books. By dividing the workload into individual pages, many volunteers can work on a book at the same time, which significantly speeds up the creation process' and is an website in the news & books category. There are three alternatives to Distributed Proofreaders, not only websites but also apps for Mac, Windows and Linux. The best Distributed Proofreaders alternative is Foldit, which is free. Other great sites and apps similar to Distributed Proofreaders are Phylo and Zooniverse.