Synpad

A full-featured Matrix chat client built with Rust and Dioxus.

Synpad aims for near-complete feature parity with Element Web, delivering a fast, secure, and cross-platform Matrix experience.

Features

Messaging

• Rich Markdown formatting, inline code, and code blocks
• Message editing, deletion, replies, and threads
• Reactions, read receipts, and typing indicators
• Polls, voice messages, and location sharing
• Message forwarding and edit history
• Message effects (confetti, fireworks)

Encryption & Security

• End-to-end encryption enabled by default for private rooms
• Cross-device verification (QR code and emoji)
• Key backup, recovery, export, and import
• Secure session persistence

Rooms & Spaces

• Room creation with encryption, permissions, and alias configuration
• Space hierarchy navigation and space-based filtering
• 23 configurable room permissions
• Room upgrades and chat history export (HTML, plain text, JSON)

Calls & Media

• Voice and video calls via Element Call integration
• Screen sharing and video rooms
• Media uploads with progress tracking
• Image viewer and file downloads

Search & Navigation

• Spotlight search (Ctrl+K) for rooms and users
• Server-side and local persistent search index
• Breadcrumb navigation for recent rooms

Customization

• Light and dark themes with custom theme support
• Bubble layout option
• Configurable notification rules
• Keyboard shortcuts

Tech Stack

Getting Started

Prerequisites

• Rust (stable)
• Dioxus CLI (cargo install dioxus-cli)

Desktop (default)

# Development
cargo run --bin synpad

# Or with Dioxus hot-reload
dx serve

# Release build
cargo run --bin synpad --release

Packaging

# Desktop package
dx bundle --release --desktop

# Android package
dx bundle --release --android --features mobile --no-default-features

# iOS package
dx bundle --release --ios --features mobile --no-default-features

Mobile packaging requires the platform SDKs:

• Android: Android SDK + NDK available to the Dioxus CLI toolchain
• iOS: Xcode and Apple signing tools on macOS

Web

dx serve --features web
dx build --release --features web

Mobile

dx serve --android --features mobile --no-default-features
dx serve --ios --features mobile --no-default-features

Project Structure

src/
  app.rs            # App routing and global state initialization
  main.rs           # Entry point (desktop/web/mobile)
  auth/             # Login, registration, SSO, OIDC, password reset
  client/           # Matrix SDK client setup, session management, sync
  state/            # Global application state and signals
  room/             # Room view, timeline, composer, calls, media, widgets
  room_list/        # Room list, spaces, filtering, room creation
  right_panel/      # Room info, members, threads, files panels
  components/       # Reusable UI components
  settings/         # User settings pages
  encryption/       # E2E encryption, verification, key management
  notifications/    # Desktop notifications and push rules
  cache/            # Media and avatar caching
  persistence/      # Session and state persistence
  theme/            # Theming and design tokens
  i18n/             # Internationalization
  utils/            # Markdown, HTML rendering, search, formatting
  layouts/          # Main and auth layout containers
  pages/            # Top-level page components
assets/
  css/main.css      # Application styles
  fonts/            # Font files
  icons/            # Icon assets

License

AGPL-3.0-only