Super Flexible File Synchronizer lets you back up your data and synchronize PCs, Macs, servers, notebooks, and online storage space. You can set up as many different jobs as you need and run them manually or by using the scheduler. The software works with local hard drives and any other mounted volumes. In addition, it comes with support for FTP, SSH, HTTP, WebDAV, Amazon S3, and Google Docs. You can use Zip compression and data encryption. There are powerful synchronization modes, including Standard Copying, Exact Mirror, and SmartTracking.
PaderSyncFM is a file manager for BlackBerry, Java ME, and Android devices. It stands out from other file managers by providing access to FTP, SFTP, WebDAV, and SMB file servers. Moreover, the support for SOCKS, HTTP, HTTPS, and SSH protocols allows the application to cross network borders.
Duplicati is a backup system and an implementation of Duplicity. Duplicati enables you to set up and monitor backups on Windows or Linux. Duplicati is based on the Linux-only Duplicity backup system. Duplicati has a very user friendly interface that allows you to configure and monitor your backups. It supports backing up to a variety of destinations, such as a network folder, a USB disk, a remote FTP server, a remote SSH server, Amazon S3 storage, or a WebDAV enabled server. All backups can be encrypted and are digtally signed, so that no other person can read or tamper with the backed up data.