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Beside for Android is a dedicated mobile file and text sharing app for Android 8.0+ (arm64-v8a). Engineered with a reactive Flutter UI and a compiled native Rust core, Beside streams files, full folders, and clipboard notes directly across your local Wi-Fi subnet with zero cloud relays, zero accounts, and zero telemetry.
Key Native Features:
- Android Share Sheet: Share directly from Google Photos, Gallery, and browsers.
- MediaStore Auto-Scan: Received photos and videos appear in gallery instantly.
- Background WakeLocks: Keeps large transfers running with screen off.
- Storage Access Framework: Save to any custom internal folder or SD card.
- Mutual TLS 1.3: Ephemeral SPKI pinning with 8-digit visual SAS pairing.
- Wire-Speed Streaming: Up to 110 MB/s with bounded 64 KB memory usage.
Windows companion: https://sourceforge.net/projects/beside-windows
Site: https://beside-license-worker.khthisald.workers.dev
Features
- Direct Wi-Fi file and folder transfers up to 110 MB/s
- Zero cloud storage, zero internet data usage, zero accounts
- Bounded 64 KB RAM consumption eliminates mobile OOM crashes
- Android System Share Sheet integration (ACTION_SEND / ACTION_SEND_MULTIPLE)
- Automatic MediaStore indexing — photos appear in gallery immediately
- Foreground transfer service with persistent notification and Wi-Fi WakeLock
- Storage Access Framework (SAF) custom download folder selection
- Mutual TLS 1.3 encryption with SPKI certificate pinning
- 8-digit SAS visual pairing code eliminates MITM risks on public Wi-Fi
- Direct local text and clipboard messaging between devices
- Hardware Android Keystore (AES-256-GCM) device key encryption
- Dark and light theme support with one-handed 4-tab thumb navigatio
Project Samples
