There is nothing wrong with having a computer running on Shabbat if it is scheduled before Shabbat. (If you are worried about electricity generated on Shabbat b

There is nothing wrong with having a computer running on Shabbat if it is scheduled before Shabbat. (If you are worried about electricity generated on Shabbat by a Jew, use AWS ect that isn't in Israel) And some of the sites it links don't appear to be very "kosher".