This plug-in can update sidebar widgets on dashboard. This is suitable for your WordPress which updates a few widgets frequently.
You can send your own language pack to me.
Please contact to me.
This plug-in is not guaranteed though the user of WordPress can freely use this plug-in free of charge regardless of the purpose.
The author must acknowledge the thing that the operation guarantee and the support in this plug-in use are not done at all beforehand.
email to takenori.matsuura[at]gmail.com
twitter @tmatsuur