
Simply the most Secure Messenger
The most demanding organizations in the world rely on Rubis with its always-on encryption for chats, voice and video conferences
Provides 100% Digital Sovereignty
You always have control over your data – even in large group chats
Used by Most G7 Countries
All communications are seamlessly encrypted across all platforms
Compliance for official Communications
Used for official confidential communications in Germany
Advanced Analytics
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Why Choose Rubis
Zero-Knowledge Security
Private communication stays private. Even Rubis can’t access message content, making a significant contribution to maximum data security.
Rubis Federation
Taking security to the next level. The Federation option lets you control the interconnection of separate Rubis instances to maintain complete data sovereignty.
Messaging Layer Security
We co-developed it. Rubis is based on the world’s first open protocol for end-to-end encrypted communication in real time.
Up to 100 Participants
Only available from Rubis: secure audio and video conferences for large groups are really easy to set up.
Text, Audio, Video, Files
The most secure communication platform. Rubis provides cross-platform encryption with applications for PC, Mac, iOS and Android.
We enable the top-security communications for some of the world’s most demanding organizations
Governments, defense facilities, and critical infrastructure providers rely on Rubis to communicate securely while complying with the latest regulations – because it’s flexible and simple, even in complex international structures.


Why You Shouldn't Trust Unencrypted Communication Apps with Your Business Secrets
Avoiding unencrypted messengers or communication apps is mandatory for businesses

Stand Against Chat Control: Protecting Privacy and Data Security in the EU
We need to protect privacy and data security against the EU chat control

Improved Usability: Rubis's Desktop & Web Updates
Discover Rubis's latest updates, including an improved calling UI, enhanced conversation views, read receipts, and more.
Rubis NEWSLETTER
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