Being Jewish holiday gateway - Holiday gateway, associated with the Being Jewish web site. - http://www.beingjewish.com/yomtov/
Jewish Holidays and Festivals - Guide to Jewish holidays, festivals and fasts. - http://www.religionfacts.com/judaism/holidays.htm
Virtual Jerusalem - The Jewish Year - Information on the history and customs of holidays as well as recommended reading for each Holy day. - http://www.virtualjerusalem.com/jewish_holidays/vjholidays.html
Jewish Holidays at Chabad.org - Portal to collection of Jewish holiday websites by Chabad.org. Detailed guides to all observances. - http://www.chabad.org/article.asp?AID=46093
Chabad.org Candle Lighting Times for Shabbat and Holidays - Find Shabbat and Holiday candle lighting times for any date in city in the world. Search by City, ZIP or Latitude/Longitude. - http://www.chabad.org/calendar/location.asp?AID=6226
Yom Tov - Classes on the Jewish Holidays - Online collection of articles on the Yomim tovim, directed by Rabbi Yehudah Prero. Graphical listing of the holidays. By Torah.org. - http://www.torah.org/learning/yomtov/index.html
The Holidays at Ohr Samayach - Directory, featuring articles and observance guides. By Ohr Samayach. - http://ohr.edu/yhiy.php/holidays/
Jewish Holidays at Aish - Portal to all major and minor Jewish holidays with a short, introductory description, leading to dedicated sections. Features upcoming holiday. By Aish Hatorah. - http://www.aish.com/holidays/
Yizkor - Online Yahrzeit email reminder service and memorial. Information on memorial customs, Memorial prayers in Hebrew, English with transliteration. - http://yizkor.ort.org
Jewish Holidays by Mazornet - Jewish holidays, celebrations, customs, and traditions. From Rosh Hashana and Yom Kippur to Purim, Passover, and Shavuot. Features a calendar with Hebrew and Gregorian dates for the coming year. - http://www.mazornet.com/jewishcl/Holidays/holidays.asp
Yahrtzeit - Conversion of English dates to Hebrew dates for annual proper prayer times for the dead. Prayers and information included. - http://yahrtzeit.com