aTalk is described as 'An encrypted instant messaging with video call and GPS features for android' and is a instant messenger in the social & communications category. There are more than 100 alternatives to aTalk for a variety of platforms, including Android, iPhone, Windows, iPad and Mac apps. The best aTalk alternative is Signal, which is both free and Open Source. Other great apps like aTalk are Telegram, Element, Matrix and Tox.
Feature rich WhatsApp web client based on Qt WebEngine for Linux Desktop
Whatsie Key features
Light and Dark Themes with automatic switching Customized Notifications & Native Notifications Keyboard Shortcuts BuiltIn download manager Mute Audio, Disable N.
Fully open source instant messaging server and clients. No proprietary components or non-free dependencies. Backend in pure Go (GPL 3.0), with a command-line administration tool in python + gRPC. Clients for Android, iPhone, and Web - ReactJS (all licensed under Apache 2.0).
Quaternion is a cross-platform Qt5-based desktop IM client for Matrix, a reference desktop application using libQMatrixClient. Source code, issue tracker, roadmap etc. can be found at GitHub. Releases (with links to cross-platform source code archives, as well as binaries for...
Group messaging platform owned by Microsoft. It's absolutely free, whether you're talking to a group of friends, or texting with one person. Best of all, it works on nearly every phone, via push or SMS. With GroupMe, it's easy to reach anyone, anytime, anywhere.
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.
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.
Tinychat is a video chat site created to help you meet new people. Browse through the free video chat rooms to meet friends; or upgrade and create your own chat room! A free app download is required for all Apple mobile devices and some Android devices.
monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.
FaceFlow is a free web-based application for video calling and group video calling. It also offers additional features such as chat rooms.
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