
SemVersion is a versioning system for data in RDF-syntax, such as ontologies.
You can watch (and file) issues here: http://issues.semweb4j.org/browse/SV
The latest release can be found in the download section.
The wiki page of SemVersion can be found at http://www.ontoworld.org/wiki/SemVersion.
Use the SemVersion API documentation.
Can be found in Subversion
Get the Description of a Project (DOAP) file for SemVersion.