Learn the Daily Mishna Chapter. There are also Shiurim in Gemara and a list of Mishnayot shiurim around Israel. http://www.mishna.org.il
The central library of Chabad, "Ohel Yitzchak Yosef" in New York. The library contains around 250,000 books. One may go through the book catalog on the site. The site also offers a chance to read the basic books of Chabad (Hebrew): Tania, Igrot Kodesh, and more.http://www.chabadlibrary.org/
The "Din Torah" website gathers information about Rabbinical courts of finance. The web site has useful information on what one needs to know before entering a Rabbinical court, information on courts in Israel. There is also professional articles on various subjects which are discussed in the courts.http://www.dintora.org
Searching for a Sefer? Try this website!
A very large list of Sefarim, links and ways to purchase them.http://www.lho.co.il
A large list of Sifrai Kodesh on Torah, Mishna, Gemara, Halacha Musar and Kabala.http://,
A site set up in honor of Rabbi Ovadia Yosef Shlit"a in which one may have a taste from the Torah of the Rishon Letzion, in Drashot, video & audio Shiurim, Halachot, stories and more.http://maran1.com
Kinor David present a live broadcast of the satellite channel showing the whole world Shiurim of Gedolei Yisrael, with Rabbi Ovadia Yosef Shlit"a and Rabbi Mordechai Eliyahu Shlit"a at the top. The broadcasts are every weekday evening, excluding Thursday.http://kinordavid.net/rabbi.php
You can find any information a bar Mitzva boy needs to know for his Bar Mitzva. You can learn the Torah laining for free, Get help preparing a Dirasha, questions and answer about bar mitzvas, Teffilin Halachot, Bar Mitzva tips and more.
The website is also helpful for those who would like to improve their Torah laining.
Shiurim in Hebrew and English by Harav Neventzahl on Parashat Hashavua (1994-2003). There is a subscription option of having the shiurim sent by e-mail. Recommended!http://www.hakotel.org.il/torah.asp?id=7