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
STROBE cryptographic protocol framework
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
A "XOR-based" data encryption tool.
Java Encryption Utility.
A Python3 Password Manager, with encryption and without connection
SLS Team Java Library
Blockchain-based distributed PKI protocol
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