Learn How to Install Briar Desktop on CentOS 9 for Secure Chat
How to Install Briar Desktop App on CentOS Stream 9 GNU/Linux – Step by step Tutorial.
Briar Desktop is a secure chat app designed for privacy-first communication on CentOS 9. It works even without Internet, using Wi-Fi or Bluetooth.
With end-to-end encryption and no central servers, Briar keeps your messages safe from tracking or censorship, ideal for journalists, activists, and privacy-conscious users.
The key Features are:
- Offline Messaging – Communicate via Bluetooth or Wi-Fi without Internet access.
- Tor Network Support – When online, Briar routes messages through the Tor network for maximum anonymity.
- End-to-End Encryption – All chats are protected with strong encryption for complete privacy.
- No Central Servers – Messages go directly between users, eliminating any control or tracking point.
- Group Chats & Forums – Create private or public discussions securely with trusted contacts.
- Open Source – 100% free and transparent code ensures trust and community-driven security.

1. Setting Up Flatpak
How to Install Flatpak on CentOS GNU/Linux
First, to Check if it’s already there:which flatpak
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