
Element.io
Signal
Telegram
Revolt.chat
Rocket.Chat
Mattermost
Discord
Matrix is an open standard for decentralized persistent communication over IP.

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Which is more popular?
Based on our record, Matrix.org seems to be more popular. It has been mentioned 597 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | matrix.org | opalstack.com |
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| Company | Startup from the United Kingdom | — |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Matrix.org is recommended for individuals and organizations that prioritize privacy and security in their communications. It's ideal for tech-savvy users who value open-source solutions and those who seek to avoid centralized communication platforms. Additionally, it's suitable for developers looking to build custom communication solutions using a versatile protocol.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Matrix.org and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Matrix.org never charges. It's completely free. Its free servers are open to all for public registrations.
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Recommendations tracked on public social media and blogs since March 2021.


Technical implementation should include privacy controls as core features, not afterthoughts. Build data export functionality, implement secure deletion processes, and provide transparency reports showing what data you've collected and... - Source: dev.to / 6 months ago
Matrix is an open, decentralized communication protocol for real-time messaging, voice, and video. Synapse is the reference homeserver implementation -- the software you run to participate in the Matrix network. Think of it like email:... - Source: dev.to / 6 months ago
Matrix is the decentralized Slack of the future (or present really!). - Source: dev.to / 7 months ago
Tracking Opalstack since Sep 2023.
When comparing Matrix.org and Opalstack, you can also consider the following products.

Secure messaging app with strong end-to-end encryption, advanced group chat privacy settings, secure video calls for teams, encrypted communication using Matrix open network. Riot.im is now Element.
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Fast, simple & secure messaging. Privacy that fits in your pocket.
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Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
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Don't bother with chat apps that don't respect your privacy. Revolt is a brand new chat platform designed around you.
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Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
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Mattermost is an open source alternative to Slack.
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