The swingexplorer project's home page responds with 404 error code. (20.8.2015)
This project exists to host the jar files from SwingExplorer, until the jar files are available again from the official homepage.
Downloads are at releases.
For use instructions, see the documentation from SwingLibrary wiki.
The swingexplorer is distributed with the LGPL3 license. The distributed jar files are unmodified version 1.6.0 files, which also contain the LGPL3 license inside.