You can download sMeta for free; it will run on any platform with a Java 5 runtime.
sMeta is a 100% Java library. Currently the requirements are as follows:
You can download sMeta from SourceForge. The binary package (named like smeta-1.0.0.tbz2) contains the sMeta JAR along with instructions for getting your installation going for the first time. The source package (named like smeta-1.0.0-src.tbz2) contains all of sMeta source code.
For installation instructions look in the README
file that comes in each distribution.