Unseen Alternatives

The Telegraph speed-and security-oriented messaging app. Fast, easy, and its free. SMS, but more powerful. Features:Free,Mac,Windows,Linux,Web,Windows,Mobile

It allows you to exchange messages without for SMS and WhatsApp numbers-Messenger-cross-platform-mobile-messaging-app. WhatsApp Messenger can be used for Features:Free,Mac,Windows,Web,Android,iPhone

RedPhone and disable all the signals together to create. If you are to avoid SMS fees, create groups so you can communicate, you can chat with signal Features:Free,Open,Source,Mac,Windows,Linux,Android,iPhone

Tutanota free and open-source web-mail client, the focus on privacy and security. There are open source iOS and Android apps. Published android app Features:Free,Personal,Open,Source,Web,Android,iPhone,iPad

Matrix.org open, decentralized chat, VoIP, and multi-communication for a growing ecosystem. The Matrix of the project, as well as the open-source Restful HTTP API defines a standard basic open of servers, clients, and service-the Apache-licensed reference implementations. To synchronize data between multiple goals in real time, the IoT services, for example-style, of course, instant messaging, IRC, chat rooms can be used for calls and audio and video conference/. Features:Free,Open,Source,Mac,Windows,Linux,Web,Android

Receiving address free disposable e-mail address. It is a temporary situation. It is only temporary. They are disposable. For those times when you dont want to. Features:Free,Open,Source,Web

Talks [AGRICULTURE, OMEMO, or GPG] approved woman easy encryption with Android 4.0+ focused on the protection of privacy for smartphones, open-source XMPP message [Jabber] customers. Features:Free,Open,Source,Android,Android,Tablet

Threesome mobile messaging app which gives you the safety first. Only you and the recipient can read it with endtoend encryption you can real Features:Commercial,Android,iPhone,Android,Tablet,Windows,Phone,iPad

The world is not a secure e-mail. Because everyone has the right to private communication. Features:Freemium,Web

Mail.com with the address you would like to offers its users with a customized selection of unique domains to pair that cost nothing. Users can select their appropriate domain Features:Free,Web

Customized, self-hosted Messenger on operating systems at the same time very useful communication platform. the SDK contains tools for communication, client interface Features:Free,Personal,Mac,Windows,Linux,Web,Android

Group video calls or meetings for up to 256 users with an easy way to make gifts video4sure setup. No need registration or installation pay. You can visit in the shortest amount of time Features:Free,Web,Chrome,Opera,Firefox

Sophias business-critical e-mail for the solution of problems is a fully-featured e-mail and collaboration server is to: maximize your privacy, portability, and cost efficiency, admin & user Features:Commercial,BSD,VirtualBox,Self-Hosted,VMware,vSphere,Hypervisor

Atmail webmail system Linux, Unix, and windows for web-mail client, email server platform and e-offers device. Features: - Webmail, Calendar, Address Book Features:Commercial,Linux,Web

Written with pure oxygen Python ist3 strong cross-Tox is a client. Features:Free,Open,Source,Windows,Linux