[Corpora-List] free language models?

[robert b]

An open source project I'm working on is looking for a free language model (LM).  Being speech recognition neophytes, we are loathe to build our own from an existing corpus.

We'll be using the LM with Sphinx-II (Sphinx 2) and therefore need a trigram-based LM.

Does anyone know if there are any free LMs available anywhere?  An LM based upon the OpenContent license would be especially welcome.

Thanks!