RVMBinary has now been released onto the The Comprehensive R Archive Network (CRAN).

The webpage is located here

RVMbinary is an implementation of RVM for binary classification. It is based on what is described in this paper: Tipping, M. E. and A. C. Faul (2003). Fast marginal likelihood maximisation for sparse Bayesian models. In C. M. Bishop and B. J. Frey (Eds.), Proceedings of the Ninth International Workshop on Artificial Intelligence and Statistics, Key West, FL, Jan 3-6. PDF