Tacit Beta

By Dominik Fuchß AGPL-3.0-only

Windows

macOS

Web

A Matrix messenger with a strong focus on modern interaction patterns and a clean workflow for spaces, channels, DMs, and groups. It is a fork of Tammy with the UI/UX adapted for a more focused, desktop-first experience.

Visit Tacit Source Code

Features

Stable Features

End-to-end encryption: End-to-end encryption, including media and calls if supported
Spaces: Browse, join and manage Matrix spaces
Voice and Video Calls (1:1): 1-to-1 voice/video calls
Threads: Read, start and participate in threads
Legacy SSO: Log in with Single Sign-On using the legacy API
Voice and Video Calls (Jitsi): Jitsi-based group calls
Multi-Account: Log into multiple accounts at the same time using a single client instance
Multi-Language: Client user interface supports multiple languages
OAuth 2.0: Log in using the new API based on the OAuth 2.0/OIDC standard
Invisible Cryptography: Simplified client user experience and improved security by enforcing device verification per MSC4153

Experimental Features

Voice and Video Calls (MatrixRTC): Matrix-native voice/video calls based on MSC4143 MatrixRTC
Simplified Sliding Sync: Swift and efficient login and messaging using the next generation API from MSC4186

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