Truecrypt
Type: Tool
A tool to create encrypted volumes on hard disks and external storage devices. Its development has been discontinued, but it is still considered reasonably secure. An alternative tool called Veracrypt is under development. The software should only be downloaded from the site listed below.
Website: https://truecrypt.ch/
OS: Windows, Mac, Linux
Requirements: none
UI language: 38 languages
License: free and open source software