Hangouts is described as 'Messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group!' and is a leading instant messenger in the social & communications category. There are more than 100 alternatives to Hangouts for a variety of platforms, including Android, Web-based, iPhone, Windows and iPad apps. The best Hangouts alternative is Signal, which is both free and Open Source. Other great apps like Hangouts are Telegram, Element, Discord and Matrix.
Conduit is a simple, fast and reliable chat server powered by Matrix. Conduit is an alternative to Synapse and tries to be lightweight and easy to install, but it is still in development.
Sylk Suite allows the creation and delivery of rich multimedia applications accessed by SIP Clients, XMPP endpoints and WebRTC applications.
Kahla is a free and open-source, cross-platform business messaging tool that supports end-to-end encrypted message communication and automatic destruction of messages.
Comfi App is made for cheap international calls both landline and cell phones. 98% cheaper calls are available worldwide.
Kwayet is an internal communication app exclusively for your team or workplace. You can collaborate, call and message anyone without requiring a phone number.?
Vidyo provides software-based collaboration technology and product-based visual communication products. The company's VidyoConferencing products are the first in the videoconferencing industry to take advantage of the H.
Talkatone gives you free calls, text messages, real-time location sharing and picture sharing to Facebook and Google friends, or any phone number in US.
Free one-click video conferencing to easily get customers face-to-face with you without a download.
Rivers is a free communication and collaboration app that lets you have more organized and focused conversations. Whether you are a part of a company or friend group i.e. community, you will organize your conversations around topics. Create your cube.
This application is an Open Source XMPP Client for BlackBerry(c) 10. Work have been done to support to some extent Google Hangout.
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