Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- iPhone
- iPad
Apps similar to Threema include Signal, which is free and open source. Other options are Telegram, Element, Tox and SimpleX Chat. Instant Messengers like Threema are a crowded field, with more than 100 alternatives for Android, iPhone, Windows, Mac and Linux.
Lightweight and powerful XMPP client for iPhone and iPad, with audio and video calls and built-in privacy
White Noise aims to be the most secure private chat app on Nostr, with a focus on privacy and security. Under the hood, it uses the Messaging Layer Security (MLS) protocol to manage group communications in a highly secure way.



Converse is a messaging app for decentralized, secure, end-to-end encrypted conversations. Built on the XMTP network, Converse lets you own your conversations and take them anywhere whenever you want, ensuring your most important messages—the ones you never want to lose or be...



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.

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.




Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.
















DUST gives you control over your digital life. We believe online life is real life, so only you should control what is known about you. Our users are protected—free from worry of prying eyes, data mining, sketchy hackers, and the paranoia that your words could come back to haunt...



blabber.im is a fork of Conversations with some changes to improve usability.



This simple Matrix client written in Python allows you to send and receive messages and files, verify other devices, and interact with your Matrix account or other Matrix users in many ways. You use it from the terminal (CLI) or integrate it into other simple Python programs.