Wikisend - Wikisend is a free online file and documents sharing administration that gives you a chance to share documents on the web.
Microsoft BitLocker - BitLocker is a full disk encryption feature included with Windows Vista and later.
Streamfile - Exchanging documents over moment envoy are normally more miss than hit, and email limits you to 25MB at most—in case you’re both on Gmail.
Paubox - Paubox provides HIPAA compliant email encryption without the hassle of extra steps.
Files2U - Files2U is free to use web service that permits you to share documents on the web.
OpenSSH - OpenSSH is a free version of the SSH connectivity tools that technical users rely on.