Database backup manager for dumping to and restoring databases from S3
...We recommend using the vagrant configuration supplied with this package for development and contribution. Simply install VirtualBox, Vagrant, and Ansible then run vagrant up in the root folder. A virtual machine specifically designed for the development of the package will be built and launched for you. Backup to / restore from any configured filesystem. Configure your filesystems. Configure your databases.
FTP to Zip takes browser based FTP backup of WordPress
...Basically it uses PHP ZipArchive class ZipArchive(); which can not be used without shell access directly. The first script checks and shows up your WordPress Installation root. Depending upon the size of your FTP content, it can taken few minutes to few hours to complete the process and will create a zip file on the root where the script is made to run. On the next screen, you will get the option to download it to your computer as well.
WebBackup is a PHP backup system that you can do backup of files and mysql databases and send to another server by FTP. You just need to create a schedule with the parameters.