AOcell vSync is a time machine designed to keep documents on all your computers up-to-date, revert your documents to any time point and track how your documents changed with a removable storage device, and it runs on FreeBSD, Linux, Mac OS X, PC-BSD and Windows. AOcell vSync combines bulletproof reliability with an extremely easy-to-use interface. * Documents on all your computers are up-to-date. All your documents are up-to-date no matter you are at home or office, on Windows or Mac OS X. * Carry important documents in your pocket - anytime, anywhere. All you need is a removable storage device - your documents are stored in it. Removable storage devices like any Flash Drive device in your pocket (iPod, MP3 Player, USB Flash Drive, CompactFlash Card, SD Card, SmartMedia Card, XD Card, Memory Stick PRO, Digital Camera, etc.), external Hard Disk Drive are supported. * Revert your documents to any time point. Have you ever wanted to revert your documents to the earlier version? AOcell vSync is the answer. * View history in a visual way. With AOcell vSync, you can easily tell how your documents changed. * Support lots of human languages. Korean in a Chinese document? German in an English document? No problem. AOcell vSync fully supports UNICODE - the world's standard for encoding text. * Support most of document formats. Microsoft Word, Microsoft Excel, Microsoft PowerPoint, OpenDocument, HTML, PDF, etc. * And it's suitable for everyone. It is both affordable to every person and a real value.