RPyGTK is a GTK+ based frontend for R designed for use in the physical sciences and integration with LaTeX.
predictoR is a forecasting tool for time series. It uses the LTP (Long Term Prediction) R package and provides a Web interface through Rook, the internal Web server of R.
A system for running Perl natively within the JVM.
A Canvas Library for GPU accelerated 3D/2D HTML animations.