Secure file & photo sync across all your devices.
- 📁 File Sync - Seamlessly sync files across desktop, mobile, and web
- 📷 Photo Backup - Automatic photo backup from your phone
- 🔐 End-to-End Encryption - Your files are encrypted before they leave your device
- 📜 Version History - Restore previous versions of any file
- 🗑️ Trash & Recovery - Recover accidentally deleted files
- 💳 Flexible Payments - Pay with card (Stripe) or crypto (CoinPayPortal)
| Platform | Description | Status |
|---|---|---|
| Web | Dashboard at kynfi.com | 🚧 In Development |
| Desktop | Windows, macOS, Linux (Electron) | 🚧 In Development |
| Mobile | iOS & Android (Expo) | 🚧 In Development |
| CLI | Command-line tool for power users | 🚧 In Development |
This is a monorepo powered by pnpm and Turborepo.
kynfi.com/
├── apps/
│ ├── web/ # Next.js web application
│ ├── desktop/ # Electron desktop app
│ ├── mobile/ # Expo mobile app
│ └── cli/ # CLI tool
│
├── packages/
│ ├── @kynfi/types/ # Shared TypeScript types
│ ├── @kynfi/utils/ # Shared utilities
│ ├── @kynfi/sync-core/ # Core sync engine
│ ├── @kynfi/crypto/ # End-to-end encryption
│ ├── @kynfi/ui/ # Shared UI components
│ ├── @kynfi/supabase/ # Supabase client & hooks
│ ├── @kynfi/payments/ # Stripe + CoinPayPortal
│ └── @kynfi/config/ # Shared configs
│
└── plans/ # Architecture documentation
| Layer | Technology |
|---|---|
| Frontend | React, Next.js, Expo, Electron |
| State | Zustand |
| Backend | Supabase (Auth, Database, Storage, Realtime) |
| Payments | Stripe, CoinPayPortal |
| Encryption | XChaCha20-Poly1305, Argon2id |
| Build | Turborepo, pnpm, TypeScript |
# Clone the repository
git clone https://github.com/kynfi/kynfi.com.git
cd kynfi.com
# Install dependencies
pnpm install
# Set up environment variables
cp .env.example .env.local
# Edit .env.local with your Supabase and Stripe keys
# Start development
pnpm dev# Start all apps in development mode
pnpm dev
# Build all apps
pnpm build
# Run linting
pnpm lint
# Run tests
pnpm test
# Clean build artifacts
pnpm clean# Web app only
pnpm dev --filter=web
# Desktop app only
pnpm dev --filter=desktop
# Mobile app only
pnpm dev --filter=mobile
# CLI only
pnpm dev --filter=cli| Document | Description |
|---|---|
| Architecture | Monorepo structure, apps, packages |
| Sync & Conflicts | 3-way merge for text files |
| Version History | File versioning and trash |
| Payments | Stripe and crypto payments |
| Encryption | End-to-end encryption |
| Plan | Price | Storage | Version History |
|---|---|---|---|
| Free | $0 | 5 GB | 7 days |
| Pro | $9.99/mo | 100 GB | 30 days |
| Business | $19.99/mo | 1 TB | 90 days |
| Enterprise | Custom | Unlimited | 365 days |
Kynfi uses end-to-end encryption to protect your files:
- XChaCha20-Poly1305 for file encryption
- Argon2id for password-based key derivation
- X25519 for secure multi-device key exchange
- Files are encrypted before leaving your device
- Kynfi servers cannot read your files
Learn more about our encryption →
We welcome contributions! Please see our Contributing Guide for details.
- Fork the repository
- Create your feature branch (
git checkout -b feature/amazing-feature) - Commit your changes (
git commit -m 'Add amazing feature') - Push to the branch (
git push origin feature/amazing-feature) - Open a Pull Request
This project is licensed under the MIT License - see the LICENSE file for details.
- Website: kynfi.com
- Documentation: docs.kynfi.com
- Status: status.kynfi.com
- Support: support@kynfi.com
Made with ❤️ by the Kynfi team