What are some of the other theories apart from the Big Bang, that explain the origin of the universe?

Let me move away from the many excellent answers and try to organise your thoughts on the subject.There are roughly four basic options for consideration of the universe.1 Mystical/religious.2 Finite/static3 Expanding/infinite4 Oscillatory/circulatoryComments:Mystical/religious. There is nothing that one can say about this interpretations. We just have to accept that this is the way