Underpass 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

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

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

To supply the goal of Gajim Jabber client with a full-featured and easy to use. Beautiful Gajim works with GNOME but you do not need to run it. Free Features:Free,Open,Source,Mac,Windows,Linux,BSD,Xfce

The Open-source jabber (XMPP) multi-account support, clean and simple interface with the client. (Freedom!) to be ad-free, Xabber is designed to be the best Features:Free,Open,Source,Android

Boxcryptor, the cloud, optimized for easy encryption software. Without sacrificing comfort, it surely is the use of cloud storage services. Boxcryptor for example, Dropbox, Google Drive, Microsoft OneDrive, SugarSync) can be (and supports all major cloud storage providers (e.g., chubby, Strato HiDrive, and ownCloud) and supports all the clouds that the WebDAV standard. Features:Freemium,Mac,Windows,Android,iPhone,Chrome,OS

Stackfield-chat, collaboration, file sharing calendar, and for a more Casual alternative. (Encryption Android) offers encrypted chat and in Germany is hosted. Features:Freemium,Web

A telegram Messengers messaging app that uses the API. There is also a telegraph messenger plus themes. Features:Free,Android,Android,Tablet

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

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

Hextor uses the Tor network for privacy and data protection is based on HexChat-an IRC client-oriented. Features:Free,Linux,Tor

Ziggs is a platform to facilitate the communication of the people. Ziggs as a rendezvous point with your devices, and helps you transfer content between Features:Free,Mac,Windows,Linux,Web

Corporate and local messaging, network, online, official mychat site, you can exchange instant communication – instant messaging system. A protected Features:Freemium,Mac,Windows,Linux,Android