ZMap is a fast single packet network scanner for network surveys
Re-broadcasts UDP packets using all network interfaces.
ESP8266 core for Arduino
Multi-purpose serial data visualization & processing
GO Simple Tunnel, a simple tunnel written in golang
Turns UDP traffic into encrypted UDP/fakeTCP/ICMP traffic
TCP/UDP port mapping for full cone NAT
Efficient UDP unicast, UDP multicast, and IPC message transport
An embedded web server
Cross-platform, C implementation of the IETF QUIC protocol
ZeroMQ core engine in C++, implements ZMTP/3.1
Coroutine-based concurrency library for PHP
Network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT client
Fast and low latency asynchronous socket server & client C++ library
Ultra fast and low latency asynchronous socket server & client C#
Lite reliable UDP library for Mono and .NET
High Performance TCP/UDP/HTTP communication component
Rapid spam filtering system
Reliable & unreliable messages over UDP
A means to measure network responsiveness and throughput
DNP3 Source code Library for Windows and simulator
Graphical explorer for BACnet and Free BACnet library in C#
Encrypted UDP based FTP with multicast
Yet Another Terminal :: Serial Communication :: Engineer/Test/Debug
One hundred command line tools in a small and portable binary.