From NeOn Wiki

NTK 2.3.2 is based on the OWL API 3.0.0, which was released in January 2010.

The latest build is B278 and was uploaded May 20 2010.

To download and install additional features, start the NTK and go to Help > Software Updates > Find and Install. Select "Search for new features to install", select the NeOn Toolkit Update Site, select the plugins you would like to install, and finally accept the license terms. The selected plugins will now be downloaded and installed.

We appreciate any feedback, e.g. via our Issue tracking system (Bugzilla) or via emails to the developer-mailinglist.

We are maintaining a list of known issues.