Description:
Stable & Secure Tunnel based on KCP with N:M multiplexing and FEC
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Type: Formula
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Latest Version: 20251212@0
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Tracked Since: Dec 19, 2025
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Links:
Homepage |
GitHub |
formulae.brew.sh
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Stars: 14,321 |
Forks: 2,568 |
Language: Go |
Category: Networking
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Tags:
tunnel
network-acceleration
low-latency
udp
vpn-alternative
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Install:
brew install kcptun
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About:
Kcptun is a high-performance network tunnel that uses the KCP protocol to accelerate TCP and UDP traffic over unreliable links. It employs N:M multiplexing and Forward Error Correction (FEC) to reduce latency and packet loss, making it ideal for improving connection quality on unstable networks. Its primary value is providing a stable, secure, and fast tunnel for applications like gaming, streaming, and remote access.
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Key Features:
- KCP protocol for reduced latency and congestion control
- N:M multiplexing for efficient connection handling
- Forward Error Correction (FEC) for packet loss recovery
- Encryption for secure data transmission
- Cross-platform compatibility (Windows, macOS, Linux)
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Use Cases:
- Accelerating game connections and reducing lag over high-latency networks
- Improving video streaming and VoIP call quality on unstable mobile or satellite links
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Alternatives:
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udp2raw
– Focuses on tunneling TCP over UDP with raw encryption, while kcptun uses KCP for acceleration and FEC.
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brook
– A broader proxy/tunnel tool with multiple protocols; kcptun is specialized for KCP-based acceleration.
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