The following programs are needed for encrypting data

• 7-Zip - Free software for compressing and encrypting files
• TrueCrypt – Free software for Linux, MAC OS X and Windows for encrypting hard disk drives and files. (Will NOT be further developed!)
• VeraCrypt - Further development of TrueCrypt

• Bitlocker - Encryption software for hard disk drives, windows standard tools from Windows Vista/Server 2008 in Ultimate, Enterprise and Server versions included.
• FileVault - Encryption software  for user data, Mac OS X standard tools from Mac OS X 10.3 on

  Instructions

• Encrypting and decrypting data with 7-Zip