一个小巧方便的文件自动备份工具, 国产绿色软件，完全免费，不含任何广告。A free, fast, green, small and very easy to use file backup utility for Windows, based on plain file copy by time intervals.
Here is the official home page of Leon AutoBackup, feel free for update. Any feedback, just post at: g.yi.org/?a=f&m=2284   Enjoy!