http://sourceforge.net/projects/freefilesync/?source=typ_redirect
Features
- Detect moved and renamed files and folders
- Copy locked files (Volume Shadow Copy Service)
- Detect conflicts and propagate deletions
- Binary file comparison
- Configure handling of Symbolic Links
- Automate sync as a batch job
- Process multiple folder pairs
- Comprehensive and detailed error reporting
- Copy NTFS extended attributes (compressed, encrypted, sparse)
- Copy NTFS security permissions
- Support long file paths with more than 260 characters
- Fail-safe file copy
- Cross-platform: Windows, Linux, Mac OS X
- Expand environment variables like %UserProfile%
- Access variable drive letters by volume name (USB sticks)
- Native 64-bit support
- Keep versions of deleted/updated files
- Prevent disc space bottlenecks via optimal sync sequence
- Full Unicode support
- Highly optimized runtime performance
- Include/exclude files via filter
- FreeFileSync portable and local installation available
- Handle daylight saving time changes on FAT/FAT32
- Use macros %time%, %date%, et al. for recurring backups
- Case-sensitive synchronization
- Built-in locking: serialize multiple jobs running against the same network share