M for iOS

Email app with automatic encryption

20 Alternatives To M for iOS

CacoCloud

A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and…

Crypho

End-to-end-encrypted messaging and file sharing

Cryptee

Cryptee is a zero-knowledge, encrypted photos, documents, files, notes and journaling platform. A unified place to safekeep your data without worrying about losing your privacy.

Crypteron Community Edition

Encryption and key management for C# and Java

Cyph

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

Dclouds

Blockchain-based alternative to iCloud.

Encrypto

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

Endpoints

View and respond to requests on an HTTP endpoint

Formata

Secure form submission capturing for all your static sites.

Hop Encrypted Email

Completely private chat email, w/ encrypted email messaging

Horde

Horde Groupware is a free, enterprise ready, browser based collaboration suite.
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Jumble

E-mail encryption plugin for Chrome

Keybase Chat

End-to-end encrypted chat built into Keybase

Keybase for Chrome

A secure chat button for every profile

MagicPad

Free, simple, and private, offline text encryption suite.
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ProtonMail

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

Soverin is the honest email service that doesn’t sell your data.

iRedMail

A fully fledged, free email server solution, an open source project (GPL v2).