
Telegram
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
Open source instant messaging server and clients. Backend in pure Go (license GPL 3.0), client-side binding in Java for Android and Javascript (license Apache 2.0)...
Open source instant messaging server and clients. Backend in pure Go (license GPL 3.0), clientside binding in Java for Android and Javascript (license Apache 2.0), persistent storage RethinkDB. JSON over websocket (long polling is also available). Tinode is meant as a replacement for XMPP. Overall it's a lot like open source WhatsApp or Telegram.
Ad free Real time collaboration Group chat
Productivity Social Business and Commerce File Management Travel and Location Home and Family
ad-free chat-clients instant-messaging messaging real-time-collaboration group-chat chat-servers whatsapp
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .
Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile
TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...
Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome
Protect your communication in transit and on your phone.
Free Open Source Android Kindle Fire
Dialog Messenger is a customized self-hosted platform usable across multi operation systems simultaneously. dialog provides SDK tools for client interface as well as for server.
Free Personal Mac OS X Windows Linux Android iPhone Web Self-Hosted
With group calls up to 256 users, Video4sure is an easy way to make video calls or setup group meetings. No need to register, install or pay.
Free Web Chrome Firefox Opera