Easy Message - Easy Message app comes up with features to help users in effortlessly sending text messages to a phone number, which is not in the contact list.
Posteo - Web- and IMAP-based email service. 2GB cost 1€/month.
Seecrypt - Seecrypt app allows users to do secure voice and conference calls by using advanced encryption features so they can contact their friends, colleagues, and family members without any privacy issues.
Inbox.lv - Inbox.lv Mail
Silent Phone - Silent Circle is a secure communications firm offering enterprise communications solutions including software, devices, and services.
Webmail.ca.za - Free email, file storage, sms and more.