HTTPS Everywhere - Chrome extension that encrypts and secures your browser
M for iOS - Email app with automatic encryption
Smart HTTPS - Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
SSL Enforcer - SSL Enforcer - Force SSL/TLS encryption for any browser or app. Block all unsecure connections.
HTTPZ - HTTPZ is meant to be unobtrusive and lightweight.
Cyph - Cyph is the name of a completely free chatting website that provides its visitors with a secure and safe chatting environment.