Extera is a feature-rich Matrix client based on FluffyChat. It supports private and group messaging, encrypted conversations, voice and video calls, file sharing, moderation tools and extensive interface customisation.
The application adds several features beyond its upstream project, including integrated message translation, an image editor, profile banners and Rich Presence support.
This is free and open source software.
Key Features
- Send and receive text, images, videos, voice messages, files and polls.
- End-to-end encryption using Matrix’s libvodozemac implementation.
- Encrypted key backups, emoji verification and cross-signing.
- One-to-one voice and video calls.
- Group calls compatible with Element Call and powered by LiveKit.
- Share geographical locations with an integrated map preview.
- Organise conversations using Matrix Spaces.
- Room administration and comprehensive moderation tools.
- Custom emotes and stickers.
- Integrated message translation.
- Built-in image editor.
- Customisable profiles with biography, banner and Rich Presence support.
- Customisable colour schemes and seed colours.
- Dark and AMOLED display modes.
- Material You interface inspired by Material 3 Expressive.
- Push and desktop notifications.
Website: github.com/ExteraApp/Extera
Support:
Developer: ExteraApp
License: GNU Affero General Public License v3.0
Extera is written in Dart. Learn Dart with our recommended free books and free tutorials.
Related Software
| Matrix Clients | |
|---|---|
| Fractal | Matrix client for GNOME |
| NeoChat | Fork of Spectral |
| Cinny | Focuses primarily on a simple, elegant and secure interface |
| nheko | Desktop client using Qt and C++ |
| Element | Glossy client with an emphasis on performance and usability |
| FluffyChat | Multi-platform Matrix client with a simple and clean user interface |
| Quaternion | Qt5-based IM client |
| Commet | Feature rich experience while maintaining a simple interface |
| Moment | Fancy, customizable, keyboard-operable Matrix chat client |
| SchildiChat | Matrix client / Element Web/Desktop fork |
| Hydrogen | Minimal Matrix chat client |
| Syphon | Privacy centric Matrix client |
| Chats | Messaging application for mobile and desktop |
| Quadrix | Minimal, simple, multi-platform chat client |
| Spectral | Glossy native client designed with simplicity in mind |
| Mirage | Fancy, customizable, keyboard-operable Matrix chat client |
| kazv | Convergent Matrix client and secure messaging app |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |


Please read our Comment Policy before commenting.