ObjectivePGP is an open-source library for iOS and macOS
GnuPG for Windows
Complete and free implementation of the OpenPGP standard
Java Encryption Utility.
PGP encrypt/decrypt data with easy drag and drop data handling.
Nash Operating System for Modern Ecommerce
Secure mail + Tor gateway
A small, simple PHP MVC framework skeleton that encapsulates a lot of
ImpraStorage provided a private imap access to store large files
Allows you to encrypt files and plain text, then back again.