Multi-platform transparent client-side encryption for your cloud files
Open-source implementation of a substantial portion of the API
Add digital signatures to PDF documents - GUI and CLI, cross-platform
A Free, Easy-to-Use, Cross-Platform OpenPGP Crypto Tool.
cross-platform, encryption application
A cross-platform crypto-steganography toolkit
Offline-first cybersecurity and system learning platform (Flutter)
Hash Calculator
Petoron Quantum Standard (PQS)
57 Hash Functions In One Program, plus each with HMAC or KMAC
Free and open-source PDF signing and verification application.
Free portable cross-platform graphical multi-user password manager
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
Base64 encode (or decode) files of any type with this lightweight tool
GILIB Large Integer Arithmetic Library