Popular easy-to-use and secure password manager
cross-platform (Java) file encryption and archiving tool
PGP graphical user interface
For full, incremental, compressed and encrypted backups or archives
Single Linux or Windows binary for secure text encryption
binary encryption archiver
Digital Signature & eSigning software. Bulk PDF signing. Sign all Page
UFONet - Denial of Service Toolkit
Robust and flexible VPN network tunnelling
The safest way to store private data in untrusted (cloud) environments
yubikey-agent is a seamless ssh-agent for YubiKeys
Mkpass - Command line Secure Password Generator
Sync directories and files in a secure folder on an external drive
Halimede Certificate Authority
Compiled into a single .jar file. Tiny Password Manager. Portable
Very simple file encryptor (coder)
Encryption addressing long-term data secrecy
Manage your website and any other passwords.Safely Encrypted
Simple, lightweight, standalone command-line single file encryption.
Decrypt messages encrypted with a substitution cipher
jEncrypt is a command line file encryption archiver
Extended Visual Cryptography Schemes in Python