# MeshTalk 🚀🔐📡

**Quantum-Resistant, AI-Powered Offline Mesh Communication System**

MeshTalk is a decentralized, offline-capable voice and text communication platform designed for mission-critical, internet-free environments. It operates over WiFi/Bluetooth mesh networks using military-grade encryption and cutting-edge AI for real-time noise reduction and command recognition.

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## 🌟 Features

- 📶 Offline Mesh Networking (via BATMAN-Adv over WiFi/Bluetooth)
- 🔐 Post-Quantum Encryption (CRYSTALS-Kyber + XChaCha20)
- 🧠 AI-Powered Noise Cancellation (RNNoise)
- 🗣️ Offline Voice Commands (via Vosk)
- 🌍 Flutter Frontend with walkie-talkie UI and mesh visualization
- ⚡ <100ms Voice Latency, fully peer-to-peer
- 🧱 Zero Central Servers, ephemeral identity, no phone numbers/IP logging

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## 🛠️ Tech Stack

| Layer         | Tech Used                            |
|--------------|---------------------------------------|
| Mesh Routing | BATMAN-Adv (Linux kernel module)      |
| Transport    | UDP (voice) + TCP (signaling)         |
| Security     | CRYSTALS-Kyber, XChaCha20             |
| AI Features  | RNNoise, Vosk, TinyML                 |
| Frontend     | Flutter (Android/iOS/Desktop)         |

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## 🔧 Setup Instructions

### ⚙️ Python Backend

> Requires Linux (for BATMAN-Adv), Python 3.9+, libsodium, etc.

```bash
cd server/
pip install -r requirements.txt
sudo modprobe batman-adv
python mesh_relay.py

📱 Flutter Frontend

Requires Flutter 3.13+, Android Studio or VS Code

cd flutter/
flutter pub get
flutter run

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🧪 MVP Strategy

Team of 3 developers (Flutter / Python / AI)

⏱️ Week 1:

• Set up mesh routing and encryption backend
• Implement Flutter walkie-talkie interface

⏱️ Week 2:

• Integrate AI noise reduction + voice commands
• Visualize mesh map and test on Raspberry Pi cluster

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🧠 AI Capabilities

Feature	Tool	Purpose
Noise Removal	RNNoise	Real-time mic cleanup
Voice Commands	Vosk	Offline SOS + control phrases
Route Prediction	TinyML	Best path prediction in mesh

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🎨 Design Language

• Logo: Hexagon mesh + soundwave (purple/green gradient)
• UI Theme: Dark mode with neon highlights
• Font: Fira Code (tech monospace)

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💰 Monetization Options

Offering	Price / Value
B2B API for military use	$500K/license
Freemium app model	$3/month SOS beacon
White-label SDK for telcos	Custom pricing

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📜 License

This project is under the MIT License.

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🧭 Roadmap

• ✅ MVP on LAN-only mesh
• ⬜ Deploy on Raspberry Pi mesh cluster
• ⬜ Voice-to-voice SOS demo
• ⬜ Add white-label configuration mode
• ⬜ Replit cloud simulator

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📊 Architecture Diagram (Mermaid.js)

graph TD
    User1((📱User 1))
    User2((📱User 2))
    Node1((🖥️ Mesh Node))
    Node2((🖥️ Mesh Node))

    User1 -->|UDP Voice| Node1
    User2 -->|UDP Voice| Node2
    Node1 <--> Node2
    Node1 -->|AI Route| User2

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🧠 Contributing

Want to help expand MeshTalk?

1. Fork the repo

2. Create a feature branch:

   git checkout -b feat/your-feature-name

3. Commit your changes

4. Submit a Pull Request 🙌

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📞 Contact

For commercial inquiries or access to investor materials, please email: 📩 alvinbijo6@gmail.com

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⭐ Star This Project

If this project inspires you, give it a ⭐ on GitHub!

Let’s build resilient communication for everyone, everywhere. 🌍🔒

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