Powerful webdav client and sync tools with client-side AES encryption
57 Hash Functions In One Program, plus each with HMAC or KMAC
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
GILIB Large Integer Arithmetic Library
Classic & Modern Cryptography tools
A Java application for transferring computer files in 5 letter groups
An IRC proxy to add chat encryption to IRC clients
Set of useful tools for payment service development
EFT simulator