WhatsApp Alternatives

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.

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. As soon as you visit the home page, it generates a unique invite link that you can share with your contacts.

Free secure Germany-based messenger available for iOS, Android and Windows Phone. Sicher has true end-to-end encryption of both text messages and file attachments.

SimpleX - the most private and secure chat and applications platform - now with double ratchet E2E encryption!

mysms Messenger is a completely free messaging service that supports texting on your smartphone, computer and tablet. mysms works cross-platform and is always free of charge. Stay connected with your friends and family no matter where they are.

With TheONE professionals and consumers from all over the world can share their knowledge on request via live video interaction while getting paid per minute.

GyachE Improved (GyachI) is a fork from Gyach Enhanced Yahoo! client for Linux operating systems. This Yahoo! client supports almost all of the features you would expect to find on the official Windows Yahoo!

Modern open web standards compatible progressive web application for free public and private chat on desktop and mobile with no downloads or updates required.

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.

SureSpot is an open source encrypted messenger designed to make encrypted messaging simple and accessible to anyone.