Fbackup is a free utility (for personal and commercial use) which can backup your data as zipped archives or as exact copy.
Backup with standard zip compression.
Exact copies of files.
Run actions before/after backup.
Backup open files.
This software supports plugins, you can find
Thunderbird Backup Plugin
Pidgin – Backup Plugin
Backup Yahoo Messenger – Plugin
Mozilla Suite – Backup Plugin
Opera Backup Plugin
FireFox Backup Plugin
Google Chrome – Backup Plugin
Adobe Photoshop CS2- Backup Plugin
Windows Scheduled Tasks – Backup Plugin
MS Office files – Backup Plugin
for Windows 7, Vista, XP, 2008/2003/2000 Server (32 and 64-bit)
You may compare the FBackup with the paid Backup4All professional here
Toucan is a small portable utility which will allow you to synchronize, backup and secure your data.
Toucan is a custom built portable app for advanced users to synchronise, backup and encrypt their data, wherever they are.
Five synchronization modes, Copy, Mirror, Equalize, Move and Clean. These can be combined with a variety of file checks such as File Size, Modified Time and a File Header Check to minimize the amount of copying needed.
Backup and restore in industry standard Zip, 7-Zip and GZip files, with support for complete backups, updating existing backups and differential backups, as well as restoring files from an archive.