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Top 23 C UDP Projects
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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Project mention: 13 Github Projects that Will Supercharge Your Development Journey in 2025 🚀 | dev.to | 2025-03-02
Stars: 11435 Author: cesanta Star the mongoose repository⭐
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可以参考ngtcp2的example(https://github.com/ngtcp2/ngtcp2/tree/main/examples), 如果想看简单的，可以参考我的http3 client
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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DDOS-RootSec
Explore RootSec's DDOS Archive, featuring top-tier scanners, powerful botnets (Mirai & QBot) and other variants, high-impact exploits, advanced methods, and efficient sniffers. Ideal for cybersecurity professionals and researchers.
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As far as I know, there are two transparent proxy softwares that can make SOCKS5 proxy available as transparent proxy supporting TCP and UDP: redsocks (forked from old redsocks, which doesn't support TCP transparent proxy) and hev-socks5-tproxy. This is an example config file for hev-socks5-tproxy to host TCP transparent proxy on port 22222 and UDP transparent proxy on port 22224. Debug output is enabled.
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AMP-Research
Research on UDP/TCP amplification vectors, payloads and mitigations against their use in DDoS Attacks
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ngx_healthcheck_module
nginx module for upstream servers health check. support stream and http upstream. 该模块可以为Nginx提供主动式后端服务器健康检查的功能（同时支持四层和七层后端服务器的健康检测）
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ENet-CSharp
A improved fork of ENet, a tried and true networking library. C, C++, C# compatible. (by SoftwareGuy)
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kflowd
Kernel-based Process Monitoring on Linux Endpoints for File System, TCP and UDP Networking Events and optionally DNS, HTTP and SYSLOG Application Messages via eBPF Subsystem
Project mention: Kernel-based process monitoring for FS, TCP and UDP networking events | news.ycombinator.com | 2024-06-29 -
Project mention: Fnet – FILE* over your socks. Easily create and handle your network sockets | news.ycombinator.com | 2025-03-12
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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).
C UDP discussion
C UDP related posts
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How to set up TCP/UDP transparent proxy with iptables
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An affordable, portable and focused device for music, writing and coding
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KCP – A TCP alternative optimized for latency
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Networking and multiplayer
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P2P connectivity using ICE (STUN/TURN)
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DPVS uses dperf for performance testing
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How to set up an echo server over DTLS 1.2
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A note from our sponsor - InfluxDB
www.influxdata.com | 12 May 2025
Index
What are some of the best open-source UDP projects in C? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | KCP | 16,034 |
| 2 | Mongoose | 11,658 |
| 3 | dperf | 5,322 |
| 4 | yojimbo | 2,568 |
| 5 | netcode.io | 2,484 |
| 6 | lsquic | 1,640 |
| 7 | ngtcp2 | 1,253 |
| 8 | DDOS-RootSec | 862 |
| 9 | ENet-CSharp | 842 |
| 10 | reliable | 613 |
| 11 | nbnet | 495 |
| 12 | Orca-c | 491 |
| 13 | libjuice | 478 |
| 14 | hev-socks5-tproxy | 467 |
| 15 | AMP-Research | 369 |
| 16 | ngx_healthcheck_module | 275 |
| 17 | fi6s | 174 |
| 18 | DTLS-Examples | 143 |
| 19 | ENet-CSharp | 91 |
| 20 | sharedgl | 78 |
| 21 | kflowd | 62 |
| 22 | fnet | 33 |
| 23 | teonet-c | 2 |
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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
www.influxdata.com