Linux/File encryption software in open


 * http://www.linuxuser.co.uk/reviews/the-best-file-encryption-software-in-open-source


 * LUKS – The Linux Unified Key Setup – and dm-crypt
 * eCryptfs – The Enterprise Cryptographic Filesystem
 * EncFS – A user-space encryption system
 * TrueCrypt – the only entry with a GUI