Smart HTTPS - Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
HEY - Email at its best, new from Basecamp.
SSL Enforcer - SSL Enforcer - Force SSL/TLS encryption for any browser or app. Block all unsecure connections.
InstAddr - Disposable email address application.
KB SSL Enforcer - This extension enforces encryption for websites that support it as much as currently possible in...
Horde - Horde Groupware is a free, enterprise ready, browser based collaboration suite.