WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Send Mime and Smime Emails to Any Type of Mail Server
GILIB Large Integer Arithmetic Library
Hash: File Checksum Generator
Portable, secure and open source AES256 password manager
Secure Striker Manager
Encryption/Decryption tool for words/hash/digits/encoded text
Protect and Obfuscate Encode PHP File From reading ( Opensource )
sha3sum - A demonstration of the Keccak permutation.
A tiny, fast encryption tool in C
A family of FLEA-inspired CSPRNGs and Stream Ciphers
software cryptographic data protection
A Java application for transferring computer files in 5 letter groups
Manage your website and any other passwords.Safely Encrypted
An IRC proxy to add chat encryption to IRC clients
Extended AES Cryptography