http://linuxaria.com/article/how-to-sync-tomboy-with-ubuntu-one-on-linux-mint-13#comment-34079
Now that Ubuntu One has been shut down, you have to self-host your note sync server.
The options are Rainy (standalone) and grauphel (ownCloud).
http://ubuntuforums.org/showthread.php?t=2242178&p=13133314#post13133314
Re: Tomboy sync with owncloud There is a also a new Tomboy sync server for ownCloud (http://apps.owncloud.com/content/sho...content=166654) which works well with Tomboy, Tomdroid and Conboy.
https://plus.google.com/112452353708124768359/posts/QRxzSBeDYCW
You need a way to sync your notes? Try the new +ownCloud app "Grauphel" developed by Christian Weiske: http://apps.owncloud.com/content/show.php/grauphel+-+Tomboy+sync+server?content=166654
Version 0.2 will also support Tomdroid!
https://twitter.com/ju_key/status/516803434004365312
There seems to be in progress a nice #tomboy notes sync app for the @ownCloud web interface: http://apps.owncloud.com/content/show.php?action=content&content=166654 …
https://twitter.com/jjjjango/status/515459114345172992
You need a way to sync your #tomboy notes? Try "grauphel" for @ownCloud by @c_weiske: http://apps.owncloud.com/content/show.php/grauphel+-+Tomboy+sync+server?content=166654 … V0.2 will support #tomdroid!
http://owncloud.org/blog/owncloud-development-in-august-part-ii/
In other Notes news, a Tomboy App provides ownCloud with Tomboy Sync server abilities
http://www.iheartubuntu.com/2014/10/tomboy-original-note-app.html
If you are still looking for syncing options, this comes in from Christian....
You can self-host your note sync server with either Rainy or Grauphel...
Learn more here...
http://dynalon.github.io/Rainy/
http://apps.owncloud.com/content/show.php?action=content&content=166654