Prophet Muhammad (saas) 
A collection of resources about the Prophet Muhammad; includes biographies written by Muslim and non Muslim, and articles on prophethood.
http://www.usc.edu/dept/MSA/fundamentals/prophet/Prophet Muhammad 
An article which explores the significance of Muhammed in history.
http://members.rediff.com/razaelahi/muhammad.htm
Muhammad: Prophet of Islam 
A presentation of the life of Mohammed.
http://www.geocities.com/muhammadsite/
Biography of Prophet Muhammad (pbuh) 
Biography of Prophet Muhammad with links to comparative religion. His name and life events were prophesied in the Bible, Vedas, Puranas, and Dasatir.
http://www.cyberistan.org/islamic/muhammad.html
The Prophet Muhammad - Life and Teachings 
A collection of articles and audio resources about the life and teachings of Muhammad, from a Shia perspective.
http://al-islam.org/topical.php?sid=305657393&cat=89
Muhammad (Peace be upon Him) 
A substantial collection of articles on the life, teachings, and significance of the Prophet Muhammad. Includes a question and answer section. [Turkish, Russian and English]
http://www.lastprophet.info/en/