WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
For full, incremental, compressed and encrypted backups or archives
C++ cryptographic library (modern hash functions, ciphers, KDFs)
symetric crypto based on PI calculation.
AES-Encrypted Password manager
Sampling exactly from the normal and exponential distributions
Cryptographically secure random password/passphrase generator
GILIB Large Integer Arithmetic Library
MikroLock reads and writes encrypted miniLock files
SCSI Tape Encryption Manager
Free Encryption Tool
NCrypted - simple file encryption software with GPU support
Guncat acts like unix's cat, decrypting pgp encrypted sections
Modular Digestion Tool
NetCrypt - file-transfer utility providing secure data transfer
A program to generate random reciprocal bigram tables
Extended AES Cryptography
Go to github.com/vlm/asn1c for the latest version.