Network/Unplugged 

Mobiliti's synchronization solution Network/Unplugged provides a transparent incremental synchronization and backup (including outlook backup) for today?s remote and mobile users along with offline viewing capability and ease of deployment
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BigSpeed Net 

BigSpeed Net lets you set up a virtual private peer-to-peer (P2P) network with friends or co-workers in minutes. It combines transparent data transfer encryption with highly optimized data transfer, on-the-fly compression, user level access control.
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ByteShift File Encryption & Compression 

Quickly encrypt and compress confidential files for secure storage or transfer over insecure networks, such as via email attachments or instant messenger. Zip Unzip - Encrypt Decrypt. Free 30-day Trial download.
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