java.symcomp.org
Together with Dan Roozemond fom tu/e, we developed a pure java library for handling OpenMath and SCSCP which are available under a Apache 2.0 License.
The OpenMath and SCSCP Java Libraries are at java.symcomp.org.
MuPAD OpenMath Package
The MuPAD OpenMath and SCSCP Package is at mupad.symcomp.org.