Awesome

Git Annex Watcher

Git Annex Desktop StatusIcon/AppIndicator

Install

Ubuntu

sudo add-apt-repository ppa:rubiojr/git-annex && sudo apt-get update
sudo apt-get install git-annex-watcher

If you are using Unity, open a terminal and run:

git-annex-watcher-tray enable

To enable the system tray icon.

Now open the Git Annex Watcher application. Should be located in Applications -> Internet if you're using something like XFCE or use the Unity Dash to find it.