Keep In Mind is a Rails plugin which allows to export application notes into BaseCamp todo list.
To export annotations just run: rake notes:export
Before you export annotations, please set the following params in keep_in_mind.rb:
TODO_LIST_ID = '1234'
TODO_LIST_URL = 'http://project.basecamphq.com/todo_lists'
USER = 'user'
PASSWORD = 'password'
You can add the following line to crontab to invoke rake task from cron:
5 12 * * * sh -c 'cd ~/www/project && rake notes:export'