Multi-platform transparent client-side encryption for your cloud files
AWS Encryption SDK for C
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
Encrypt and manage secret text data
Free portable cross-platform graphical multi-user password manager
The source code of the In-Browser-File-Encrypter web app
Free and open-source PDF signing and verification application.
antigift is simple cross-platform, files & folders encryption tool
file/stream encryption/decryption/CRC based on PI compute algorithm
STROBE cryptographic protocol framework
yubikey-agent is a seamless ssh-agent for YubiKeys
C++ cryptographic library (modern hash functions, ciphers, KDFs)
Linux encrypted filesystem management tool
Mkpass - Command line Secure Password Generator
Just A Few Clicks To Encrypt Your File
Halimede Certificate Authority
Easy create and sign x509 certificates and generate RSA key pairs
Easy to use PKI library
AVR based smartcard/token with ECC and RSA cryptography
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java