OfflineIMAP_Folder_Manager is a project mainly written in Ruby, it's free.
Offline IMAP doesn't support any help when it comes to local folder creation. This is only a quick work around which should be followed by a fix to the Offline IMAP code directly.
OfflineIMAP [1] is a fantastic tool written in Python which helps to keep a local copy in sync with a remote server via IMAP (and vice versa). Unfortunately, one small problem exists [2].
How do I add or delete a folder?
OfflineIMAP does not currently provide this feature. However, if you create a new folder on the remote server, OfflineIMAP will detect this and create the corresponding folder locally automatically.
That is quite annoying, since when you create a new folder locally to store mails this will NOT be synced to the server. This simple script supports a quick solution for this problem.
Write a proper patch for OfflineIMAP to support this.
[1] OfflineIMAP Github Repository, https://github.com/jgoerzen/offlineimap/ [2] OfflineIMAP FAQ Wiki, https://github.com/jgoerzen/offlineimap/wiki/Frequently-Asked-Questions
(C) 2010, Bjoern Rennhak, under an MIT licence. http://www.opensource.org/licenses/mit-license.php