After several years of development, the completely reworked v11 is now live. If you have used the previous version – start by reading:
SQLBackupAndFTP v11 – What’s New?

As before, you have several editions including free, but there are a few differences. See:
How SQLBackupAndFTP 11 differs from the previous versions?

For upgrade options from the previous version  see:
How to migrate to SQLBackupAndFTP 11 from the previous versions

Also see:

Why do I Need the Full-Service subscription?
Web Log – see backup history on the web
How Tos – SqlBackupAndFtp

If you need help – go to Support Forum