So many of the crazy alternatives we see posted here are handwaving things that lack the numbers to make predictions. Here, however, is a paper about a very different alternative, but with some numbers to make it possible to test.
Supernova Ia without Accelerated Expansion The First Global Failure of Relativity Theory
Anyway, I haven't taken it very seriously, but find his work appealing, as it gives some answer to the "how did the big bang happen?" question.