WhatsApp is described as 'Free messaging without SMS fees, web sync, and multimedia sharing, supporting group and video chats, available on iPhone, Android, and desktop' and is a leading instant messenger in the social & communications category. There are more than 100 alternatives to WhatsApp for a variety of platforms, including Android, iPhone, Windows, iPad and Web-based apps. The best WhatsApp alternative is Wire. It's not free, so if you're looking for a free alternative, you could try Wire or Signal. Other great apps like WhatsApp are Telegram, Element, Threema and Matrix.
Tuwunel is a high-performance Matrix homeserver written entirely in Rust — the official successor to conduwuit, sponsored by the Swiss government and deployed for citizens.
Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy
monocles chat is a fork of blabber.im and Conversations with some changes, to improve usability.
Germany
EU
Singapore
Fully end-to-end encrypted business collaboration platform that is the only on the market supporting E2EE HD video conference up to 100 participants.
United States
WhatsApp Chat plugin for WordPress adds a customizable floating chat bubble, WooCommerce and shortcode buttons, Gutenberg block, and Elementor widget.
Bangladesh
Instantbird is an instant messaging client based on Mozilla XULRunner and the open source library libpurple created by the software developers of Pidgin . Over 250 add-ons allow user customization of, and addition of, features.
FranceEU
Hype is a chat service built into the Opera Mini browser, so you can chat, share, and browse in one app. And when you find something online worth sharing, Hype makes it easy to do so with WebSnap.
Norway
This is the most minimalistic social sharing possible, yet, it's probably the most relevant one as well. It's relevant in time and space. You only see what may potentially matter to you. You do not choose what you see.
SafeSwiss The world’s most effective end to end encryption security solution including P2P Voice, encrypted email, encrypted storage, ephemeral text chat, docs share & group chat for mobile phone devices and PC's.
Switzerland
The one and only secure messaging app Protect your privacy!
SECURE MULTIMEDIA MESSAGING
Switzerland
This app allows to exchange secure messages and communicate instantly with users connected to the same communication server software from mobile and desktop-based messaging clients. Instant messaging is strongly encrypted and archived on the IM server which is privately hosted...
Russia
