Other free (both as in free speech and free beer) options include :
All of these work under Linux. I am not able to test under MAC but I there shouldn't be any trouble... As for their compatibility with Vista all I can say is that Edyuk does compile and run pretty well under a fresh Vista with Qt 4.3/MinGW 3.4.2 (I was using development version from SVN but a package is coming soon).
- Edyuk : http://edyuk.org
- Monkey Studio : http://monkeystudio.org
- Cobras (not sure the project is still active...)
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