Revealit.me - ReveaiIt.me allows you to send a one time link to a self-destructing document.

Hitch.ly - Turn any URL into a phone number you can call or text

SafeNote - Encrypt and send files and notes with a link that automatically destruct after being read. SafeNote is a free web-based service that allows you to share a note or a file with confidentiality. There is no way to spying on you even to a hacker.

Ninchat - Secure, cloud based communication service for businesses.

Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Adamant Messenger - The most secure and anonymous messenger, encrypted with Blockchain