Mutant is a project mainly written in JAVA and SHELL, it's free.
A Poly-ScriptEngine Console
!http://github.com/tinkerpop/mutant/raw/master/doc/images/mutant-logo.png!
Mutant supports the use of multiple "JSR 223":http://jcp.org/en/jsr/detail?id=223 ScriptEngines over the same variable pool. In this way, its possible to make use of each language's unique expressive qualities when manipulating a variable pool.