Keybase Chat - End-to-end encrypted chat built into Keybase
HTTPS Everywhere - Chrome extension that encrypts and secures your browser
Seald - Keep your conversations secure, everywhere.
Smart HTTPS - Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
Crypho - End-to-end-encrypted messaging and file sharing
ForceTLS - ForceTLS allows web sites to tell Firefox that they should be served via HTTPS in the future; this...