PGP graphical user interface
Add digital signatures to PDF documents - GUI and CLI, cross-platform
Open source disk encryption with strong security for the Paranoid
Implementation of the EDIINT AS2 protocol (RFC 4130)
DENUVO (VMProtect 2.6x) VM research tool
Free and open-source PDF signing and verification application.
An easy to use 'front-end' to ProxyCrypt 3.X encryption application
UFONet - Denial of Service Toolkit
cross-platform, encryption application
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
A cross-platform crypto-steganography toolkit
Tiny application which allows encrypting basic text.
Free portable cross-platform graphical multi-user password manager
Offline-first cybersecurity and system learning platform (Flutter)
Encrypt and manage secret text data
Provides encryption & password hashing for your app or Hibernate POJOs
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.
yubikey-agent is a seamless ssh-agent for YubiKeys
C++ cryptographic library (modern hash functions, ciphers, KDFs)
GUI tool for administration of PKCS#11 enabled devices
Halimede Certificate Authority
FinalCrypt - Unbreakable One-Time Pad Encryption
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java