IBM's TPM 2.0 TSS
Fast Wipe
A library for secure deleting data on-the-fly
Secure wiping/shredding of free disk space with many methods
AVR based smartcard/token with ECC and RSA cryptography
IPsec / IKEv2-based VPN software for Linux.
High Security Encrypting File System
FUSE File system powered by secret sharing scheme
Information Hiding Modification for EXT2
Personal Password Manager
Liberté Linux: Mission-critical stealth communication