dPhone

The most secure calling app. Open Source and Free.

Cyph

Cyph is the name of a completely free chatting website that provides its visitors with a secure and safe chatting environment.

Encrypto lets you encrypt files before sending them to friends or coworkers.

Email, calendars, and contacts to highest standards of security, privacy and reliability.

Pandora Client for OS X

Completely private chat email, w/ encrypted email messaging

End-to-end encrypted chat built into Keybase

A secure chat button for every profile

Protect your privacy with unique email aliases

Chat with local businesses and shops to make reservations.

Send a private message to your BCC recipient í ½í²¬

Secure email with absolutely no compromises. Get your free encrypted email account today.

Keep your conversations secure, everywhere.

Fast, simple & secure messaging. Privacy that fits in your pocket.

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

The easiest app yet for anonymous, encrypted IM

Super simple chat in your browser í ½í²¬