Tomboy notes alternative

Following the news that Mono is likely to be banished from Ubuntu hereandeverafter, and now graced with the knowledge that Tomboy will likely be an orphaned elephant in the corner of my operating system, the search is on for an Open Source alternative which I can access from other platforms and devices. Is there such a beast?

Following the news that Mono is likely to be banished from Ubuntu hereandeverafter, and now graced with the knowledge that Tomboy will likely be an orphaned elephant in the corner of my operating system, the search is on for an Open Source alternative which I can access from other platforms and devices. Is there such a beast?