Elice is a free compiler for programs written in the proprietary language PureBasic. It compiles those programs to C++ and then uses g++ to generate an executable. This is an old version. Development has moved to https://gitorious.org/elice/
The Voodoo compiler is an implementation of the Voodoo programminglanguage. It provides both a stand-alone compiler executable and a Ruby API for generating code for target platforms.