Open-source implementation of a substantial portion of the API
Multi-platform transparent client-side encryption for your cloud files
A Free, Easy-to-Use, Cross-Platform OpenPGP Crypto Tool.
Add digital signatures to PDF documents - GUI and CLI, cross-platform
cross-platform, encryption application
A cross-platform crypto-steganography toolkit
Petoron Quantum Standard (PQS)
Free and open-source PDF signing and verification application.
Hash Calculator
Free portable cross-platform graphical multi-user password manager
57 Hash Functions In One Program, plus each with HMAC or KMAC
Offline-first cybersecurity and system learning platform (Flutter)
cross-platform (Java) file encryption and archiving tool
antigift is simple cross-platform, files & folders encryption tool
yubikey-agent is a seamless ssh-agent for YubiKeys
FinalCrypt - Unbreakable One-Time Pad Encryption
toolchain for obfuscated compilation
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
AES Cipher, Base64 encoder, SHA calculator
Smart card events and smart cards information tracker
Stanford Javascript Crypto Library
Base64 encode (or decode) files of any type with this lightweight tool