• http://www.usc.edu/dept/MSA/

A thorough Compendium of Muslim Texts.

• http://www.islamicity.com/

Anything and everything Islamic, from TV, radio to Quran audios and matrimonials, it's all here.

• http://www.zaytuna.org/

The Zaytuna Institute was founded by Hamza Yusuf. It provides high quality educational programs, materials, and training in the traditional sciences of Islam in cutting technology, including a podcast.

• http://www.quranonline.net/

High quality quran recitations in both Arabic and English, downloadable for free in mp3 format.