Christian Science Monitor: Islamic Fundamentalism 
Religion expert Charles Kimball explains key points of Islam, including the meaning of "jihad," the differences between fundamentalist and extremist Islam, and the Koran's stance on suicide.
http://www.csmonitor.com/2001/1004/p25s1-wosc.htmlTime: The Dark Side Of Islam 
Bruce W. Nelan examines the Islamic revivalist movement and the radicals' use of violence and terrorism on Arab states that are seen as straying from the religious path.
http://www.time.com/time/nation/article/0,8599,174514,00.html
Tanzeem-e-Islami 
Movement for the renewal of Islam founded by Dr. Israr Ahmad in Pakistan. Includes articles, online magazines, news, information about their activities, and a FAQ.
http://www.tanzeem.org/
Islamism 
An introduction to Islamism and its political manifestations; a Wikipedia article.
http://en.wikipedia.org/wiki/Islamism
Bazm-e-Tolu-e-Islam 
Organization seeking to restore the political establishment of Islamic law. Includes information on their principles, publications, activities, and international contacts.
http://www.tolueislam.com/
Encyclopedia of the Orient: Islamism 
Definition, central motifs, and general characteristics.
http://lexicorient.com/e.o/islamism.htm
Fundamentalism 
A collection of articles on the development and history of Islamic fundamentalism by David Zeidan, a research consultant in Middle Eastern and Islamic Affairs.
http://www.angelfire.com/az/rescon/FUNDAMENTALISM.html