http://www.ou.org/torah/ (Great Articles and Audio)

http://dafhachaim.org/ (A Daf Yomi Resource)

https://www.eichlers.com/ (Online Judaica Store)

http://Shabbat.com/ (Shabbos Hospitality)

http://shirhalev.com/ (Jewish Songs)

http://aish.com  (A Great Resource for Articles on Jewish Topics; A Happening Place)

http://halachapedia.com/

http://www.mastertorah.com/newsite/general/index.php?page=mishna_about (Mishna Study in 1/2 hour units)

torahusb.com (Compiled Shiurim on Daf Yomi by Mesechta)