دانشنامه دانش

Also known as almaerifaa.com

Marefa (in ) is a not-for-profit online encyclopedia project that uses the wiki system to provide a free Arabic encyclopedia similar to Wikipedia. It was set up by Nayel Shafei on February 16, 2007. Sister projects include Manuscript documentation, Sources, Collaborative books, forums, Blogsphere, E-mail accounts (with unlimited storage), Video/Audio library.