Ra-flip is a project mainly written in Python, it's free.
A flip interpreter with nice QT interface
A Flip interpreter with nice QT interface writed by Roberto Alsina hosted orginaly on Google. I will use this repository to organice my changes.
You are free to clone this project from http://github.com/pointtonull/ra-flip.git or to report issues/whises on http://github.com/pointtonull/ra-flip/issues
.. _Google: http://code.google.com/p/ra-flip .. _Flip: http://www.daimi.au.dk/~eriksoe/Flip/language.html