A feature-rich Matrix client for mobile and desktop platforms built on FluffyChat. Extera Next extends FluffyChat with additional features and improvements.

• Send all kinds of messages, images, and files
• Voice messages
• Location sharing
• Message translation (built-in)
• Unlimited private and public group chats
• Public channels with thousands of participants

• End-to-end encryption
• Encrypted chat backup
• Emoji verification & cross-signing
• Compatible with Element, Nheko, NeoChat, and all other Matrix clients

• Dark & AMOLED modes
• Material You design
• Custom emotes and stickers
• Spaces support
• Push notifications

• Feature-rich group moderation (all Matrix features)
• Discover and join public groups
• Redacted message recovery (for Synapse admins)

• Built-in message translation
• "About" field in user profiles
• Enhanced profile design with mutual rooms list
• 1:1 voice/video call support

Before building, ensure you have:

• Flutter SDK installed
• The matrix-dart-sdk in the same directory as Extera Next

The matrix dependency can be configured in two ways:

Option 1: Directory-based (Recommended for development) Ensure matrix-dart-sdk is cloned in the same parent directory:

parent-directory/
├── ExteraNext/
└── matrix-dart-sdk/

Option 2: Git reference Update pubspec.yaml:

matrix:
 git:
 url: https://github.com/ExteraApp/matrix-dart-sdk.git
 ref: main

Platform-specific build scripts are available in the scripts/ directory:

• ./scripts/build-macos.sh - macOS
• ./scripts/build-windows.ps1 - Windows
• ./scripts/build-ios.sh - iOS
• ./scripts/build-appimage.sh - AppImage (Linux)
• ./scripts/build-linux.sh - Linux (Run only after build-appimage.sh)

This project is licensed under the AGPL-3.0 License. See the LICENSE file for details.

• Matrix.org - The Matrix protocol specification
• FluffyChat - The original FluffyChat project
• matrix-dart-sdk - Dart SDK for Matrix