Murmur

Murmur is a privacy-focused social platform built with Compose Multiplatform. It allows users to share thoughts and engage in discussions with a focus on anonymity and device-based identity.

📱 Features

• Anonymous Feed: Browse and post messages without traditional user accounts.
• Device-Based Identity: Uses unique device hashes for moderation and interaction tracking.
• Real-time Interactions: Live updates for likes and comments using Supabase Realtime.
• Moderation: Built-in reporting system and device-based banning to keep the community safe.
• Push Notifications: FCM integration for updates on your posts and interactions.
• Multiplatform: Shared core logic and UI between Android and iOS.

🛠 Tech Stack

• UI: Compose Multiplatform (Material 3)
• Networking & Backend: Supabase (Postgrest, Realtime, Storage)
• Dependency Injection: Koin
• Concurrency: Kotlin Coroutines & Flow
• Push Notifications: Firebase Cloud Messaging (FCM)

🏗 Project Structure

.
├── composeApp/                # Shared Compose Multiplatform code
│   ├── src/
│   │   ├── commonMain/        # Core business logic, UI, and data layer
│   │   ├── androidMain/       # Android-specific implementations (FCM, Services)
│   │   └── iosMain/           # iOS-specific implementations
├── iosApp/                    # iOS Xcode project entry point
└── gradle/                    # Dependency management (Version Catalogs)

🚀 Getting Started

Prerequisites

• Android Studio Ladybug or later
• Xcode 15+ (for iOS)
• JDK 17+

Backend Setup

The project requires a Supabase instance.

1. Create a push_tokens table for notifications.
2. Configure Realtime for posts and comments.
3. Set up your .env or configuration with SUPABASE_URL and SUPABASE_KEY.

Running the App

• Android: Run the :composeApp configuration in Android Studio.
• iOS: Open iosApp/iosApp.xcworkspace in Xcode or run from Android Studio if configured.

📸 Screenshots

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Built with ❤️ using Kotlin Multiplatform.