Areca Backup      
Use plugins to add extra features to Areca Backup, like SFTP or VSS support.

Available plugins :

Plugin Download Description
ArecaVSS www.arecavss.com Volume Shadow Copy Services (VSS) Support
By invoking VSS services, Areca will be able to backup files that are opened or locked by the system or other programs (for instance Outlook PST files)
FTP/FTPs Included in Areca-Backup FTP/FTPs Server Support
This plugins adds the ability to store archives on remote servers, by using the FTP or FTPs protocol.
SFTP Included in Areca-Backup SFTP Server Support
This plugins adds the ability to store archives on remote servers, by using the SFTP protocol.



Note : If you want to implement your ow plugin, Areca's plugin API documentation can be found here