ChronoSync是一款Mac平台的文件数据同步备份工具，可以将你的硬盘上的某一个文件夹同步到U盘等其他地方一方面不用担心文件丢失，一方面，选择双方同步以后，程序会自动根据文件时间来同步最新修改过的文件，即使你在几台电脑上操作修改文档也可以保证备份的是最新的文档。


ChronoSync is an application for Mac, which can be used to synchronize or backup files and folders. Allows you to make a backup of the entire system as well, to create a bootable backup
With ChronoSync can sync or do a backup for most devices and directories, and all that can be connected to the Mac, including a folder on your Mac, other Macs, PCs and external drives.
Possibilities:
• Fully customizable toolbar
• All settings are stored in separate files that can be edited at any time
• Synchronization in two directions
• drafting rules to filter the files by various attributes
• Compare files before sync
• Run a test to verify the results of synchronization before performing operations
• history of synchronization, which can be printed or saved to a file
• Automatic synchronization on a schedule
• Use AppleScripts to automate synchronization.