cross-platform (Java) file encryption and archiving tool
antigift is simple cross-platform, files & folders encryption tool
file/stream encryption/decryption/CRC based on PI compute algorithm
Web application to register FIDO keys from TLS ClientAuth sessions
yubikey-agent is a seamless ssh-agent for YubiKeys
C++ cryptographic library (modern hash functions, ciphers, KDFs)
A command line interface for encryption and decryption using the NTRU
Halimede Certificate Authority
Easy create and sign x509 certificates and generate RSA key pairs
Encryption/Decryption demonstration app using the S-DES algorithm
Decrypt encryptions without knowing the key or cipher
AVR based smartcard/token with ECC and RSA cryptography
A modern, AI-Smart, WASTE p2p for ipv4 and invisible address spaces
Java Encryption Utility.
A Python3 Password Manager, with encryption and without connection
SLS Team Java Library
The best cryptography playground available
Stanford Javascript Crypto Library
GMR digital signature system
FIDO strong authentication, encryption, digital signature engine
One-time-pad encryption using a virtual pad
A bespoke symmetric cipher.
FIDO-enabled, cloud file encryption with centralized key management.