GentleGPG makes encrypting and decrypting your email or other messages easy by enabling you to decrypt from another program’s window, such as an email client.
A Multi-platform messaging app that can synchronize between your phone and desktop apps. No personal information is required to sign up when using the free account, not even a phone number.
Messaging, voice, video calling and file transfer. Anonymous signup. No phone number needed. Encryption only on pay account. Mobile apps only. Desktop apps in development.