Protocol Buffers Editor is a viewer and editor for Google's Protocol Buffers binary files. Information is displayed as a tree and can be updated, saved as XML or HTML, and compared to another saved file.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
This release uses Protocol Buffers 2.4.0a. Save As / Export and the Options dialog were improved. Support for Nimbus LAF and the latest RecordEditor was added.