- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.



Hyalus is described as 'It's a messaging app' and is an app in the office & productivity category. There are more than 25 alternatives to Hyalus for a variety of platforms, including Web-based, Linux, Android, iPhone and Windows apps. The best Hyalus alternative is Telegram, which is free. Other great apps like Hyalus are Element, Discord, Matrix and Slack.



0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.




PeerSuite is an open source, decentralized, private alternative to apps like Discord or Slack. All data is sent only between clients through encrypted WebRTC channels.

Start your next video call with a single click. No download, plug-in or login required. Just get straight to talking, messaging and sharing your screen.

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.
Valour is an open-source, privacy focused alternative to platforms like Discord or Slack, developed by a small team of volunteers. The app has been in development for over three years and is currently in it's alpha stages of testing.




The all-in-one communication platform for DAOs & Communities. More social, more secure, more web3 powered.


Retro AIM Server is an instant messaging server that revives AOL Instant Messenger (and ICQ!) clients from the 2000s.





Nertivia is an chat client that allows you to chat to anyone across the world. There are a lot of features that don't require you to pay at all such as, gif profile pictures, free custom emojis and more coming soon!

A Custom CRM for Nonprofits with a Full Suite of Apps. We solve the biggest problems nonprofits face in a modern and user-friendly CRM.



