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Top 20 C++ TCP Projects
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udp2raw
A Tunnel which Turns UDP Traffic into Encrypted UDP/FakeTCP/ICMP Traffic by using Raw Socket,helps you Bypass UDP FireWalls(or Unstable UDP Environment)
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InfluxDB
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SerialTest
Data transceiver(monitor)/realtime plotter/shortcut/file transceiver over serial port/Bluetooth/network on Windows/Linux/Android/macOS | 跨平台串口/蓝牙/网络调试助手，带数据收发/实时绘图/快捷发送/文件收发面板，可在PC和Android设备上使用
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TOSDataBridge
A collection of resources for pulling real-time streaming data off of TDAmeritrade's ThinkOrSwim(TOS) platform; providing C, C++, Java and Python interfaces.
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ctsTraffic
ctsTraffic is a highly scalable client/server networking tool giving detailed performance and reliability analytics
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DatagramTunneler
Simple C++ cross-platform client/server app forwarding UDP datagrams through a TCP connection.
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Project mention: Managarm: Pragmatic microkernel-based OS with asynchronous I/O | news.ycombinator.com | 2024-07-27
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turbo-beep
Peer to peer file sharing and messaging between different networks including server acting as a mediator (TCP hole punching).
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hook
Open source (free to use) high-performance network communications library including Http server/client support. Header only and designed using the latest C++ standards to provide for a full featured and modern API. Supporting for a wide range of platforms (including embedded, IoT & MCUs). (by koobika)
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
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A note from our sponsor - SaaSHub
www.saashub.com | 21 Jun 2025
Index
What are some of the best open-source TCP projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | udp2raw | 7,694 |
| 2 | SerialTest | 1,384 |
| 3 | x-tools | 834 |
| 4 | LAN-Share | 566 |
| 5 | eModbus | 450 |
| 6 | TOSDataBridge | 327 |
| 7 | modbuspp | 275 |
| 8 | ctsTraffic | 266 |
| 9 | netLink | 217 |
| 10 | DatagramTunneler | 175 |
| 11 | QTcpSocket | 135 |
| 12 | SoapyRemote | 124 |
| 13 | psc | 122 |
| 14 | tcpview | 85 |
| 15 | MaxOS | 51 |
| 16 | tcp_pubsub | 44 |
| 17 | sockpuppet | 17 |
| 18 | turbo-beep | 13 |
| 19 | hook | 8 |
| 20 | Muonbase | 3 |
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