Add digital signatures to PDF documents - GUI and CLI, cross-platform
Implementation of the EDIINT AS2 protocol (RFC 4130)
cross-platform, encryption application
PGP graphical user interface
Synchronize secrets between PCSecrets and Secrets for Android
Encrypt and manage secret text data
Tiny application which allows encrypting basic text.
Java application for encryption
Free portable cross-platform graphical multi-user password manager
Free and open-source PDF signing and verification application.
Smoke: Android Crypto Chat Messenger
Twinkle is an open-source text editor.
Mkpass - Command line Secure Password Generator
Graphical message and file encryption tool
FinalCrypt - Unbreakable One-Time Pad Encryption
A free and easy-to-use password protected file archiver
Java Encryption Utility.
If You want to change your passwords globally, this program is for You
UDP based desktop chatting app which supports AES-256 bit encryption.
GMR digital signature system
An encryption tool for creating file archives