VoIP

Tammy – privacy-focused Matrix messenger

Tammy is a fast, privacy-focused Matrix messenger with a clean, modern interface. It uses the decentralised Matrix protocol, avoiding reliance on a single communication provider or server.

The application is built with Kotlin and Compose Multiplatform, allowing it to offer a consistent experience across Linux, Android, iOS, Windows, macOS and the web. Tammy is also designed as a customisable, white-label messenger based on Trixnity Messenger.

This is free and open source software.

Key Features

  • Uses the decentralised Matrix communication protocol.
  • End-to-end encryption protects private conversations.
  • Modern and intuitive user interface with in-app guidance.
  • Minimal data retention with a strong focus on privacy.
  • System notifications on Linux, Android, iOS, Windows, macOS and the web.
  • Built with Kotlin and Compose Multiplatform.
  • Available for Linux as a 64-bit Flatpak.
  • Supports mobile, desktop and web platforms.
  • Can be customised and white-labelled for other deployments.
  • Designed to remain resilient if individual Matrix servers become unavailable.

Website: gitlab.com/connect2x/tammy
Support:
Developer: connect2x GmbH.
License: GNU Affero General Public License v3.0

Tammy is written in Kotlin. Learn Kotlin with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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