Answer Line: Project Genesis' ask a rabbi program.
Ask a Rabbi: A forum where Rabbis answer user's questions, which are usually of a Jewish nature.
Ask Jewish America: A forum to ask your questions on Judaism.
Ask the Rabbi: Ohr Somayach's ask a rabbi program. Their staff of rabbis and educators research and answer questions on Judaism.
Ask the Rabbi: Chabad.org's Ask the Rabbi service. Staffed by Chabad Rabbis worldwide.
Ask the Sofer: Any questions related to the scribal arts, Torah scrolls, tefillin and mezuzahs.
Being Jewish: Practical, friendly information about topics like spirituality, intermarriage, holidays, conversion, parenting, cooking,and environmentalism.
Jewish Community Online: Ask A Rabbi: Users can specify from which denomination they want an answer and a rabbi will personally (and confidentially) answer questions via e-mail in a day or two.
PersianRabbi.com: Ask a Persian/Sephardic Rabbi any question.