WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
For full, incremental, compressed and encrypted backups or archives
57 Hash Functions In One Program, plus each with HMAC or KMAC
Powerful webdav client and sync tools with client-side AES encryption
The safest way to store private data in untrusted (cloud) environments
antigift is simple cross-platform, files & folders encryption tool
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Send Mime and Smime Emails to Any Type of Mail Server
GILIB Large Integer Arithmetic Library
Programa de Criptografia.
An utility that calculates and verifies Grøstl hashes of files
sha3sum - A demonstration of the Keccak permutation.
A family of FLEA-inspired CSPRNGs and Stream Ciphers
A tiny, fast encryption tool in C
xxteac - XXTEA Encrypter/Decrypter
Python Based Brute Force Password Cracking Assistant By Clownsec
A program to generate random reciprocal bigram tables