We have released the SmartBody SDK for OSx (.dmg file). This is available for download here:
The OSx SDK is a set of source and header files needed to build SmartBody, which includes all of the SmartBody source code. SmartBody is distributed under the LGPLv3 license.
The OSx SDK (268 MB) has been tested on OSx 10.8.
We welcome bug reports, feature requests, and other comments on our forum at http://smartbody.ict.usc.edu/forum
Regards,
Ari Shapiro