The ownCloud developers have released version 4.5 of their cloud synchronisation software. It offers even faster synchronisation and supports external cloud storage solutions such as Dropbox and Google Drive.
October 12, 2012
ownCloud 4.5 Mounts External Cloud Storage
Read more at The H
For a tutorial on how to synchronize Dropbox and ownCloud on Linux, see Carla Schroder's Linux.com article from earlier this week.