Windows Live Mesh

Back in 2008 Microsoft debut Live Mesh (which has recently been discontinued). It has since merged that product into the Windows Live tools, its now called Windows Live Mesh.

Windows Live Mesh is now available, for download.  Below is a list of features it supports:

• Syncing files between your computers, works on both Windows and Macs. Also supports offline viewing of your sync files even if your machine is turned off.  
• Sync up to 5GB of data with the your SkyDrive.
• Sync program settings across all your systems, such as Internet Explorer favorites and Microsoft Office configuration.
• Remotely connect to your computers (similar to Remote Desktop Connection in Windows), and run programs or browse files on your remote PCs from other locations.