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TunGo

Simple, Fast, Secure

CPU-Fast

No runtime allocations. Negligible CPU usage under load.

RAM-Efficient

≈5–15 MB RSS under load, ≈5–8 MB idle

Secure

Noise IK handshake, X25519 key agreement, ChaCha20-Poly1305 AEAD

Multi-Transport Support

UDP — high performance, TCP — reliable fallback, WebSocket/WSS — stealth mode

Supported Platforms

Linux (client and server), macOS (client), Windows (client)

Open Source

License: AGPLv3