A dead simple tool to sign files and verify digital signatures
cross-platform (Java) file encryption and archiving tool
For full, incremental, compressed and encrypted backups or archives
PGP graphical user interface
https://avgvsto.sourceforge.io
A cross-platform crypto-steganography toolkit
UFONet - Denial of Service Toolkit
The safest way to store private data in untrusted (cloud) environments
Mkpass - Command line Secure Password Generator
Compiled into a single .jar file. Tiny Password Manager. Portable
jEncrypt is a command line file encryption archiver