The FRRouting Protocol Suite
Cross-platform, C implementation of the IETF QUIC protocol
JavaScript plugin for finding links in plain-text and converting them
Java library that allows matching many thousands of Events per second
pmacct is a small set of multi-purpose passive network monitoring tool
High performance JSON IP and GeoIP REST API (IP Geolocation)
phpipam open-source IP address management
IEC 60870-5-104 protocol tester.
Experimental, arduino-compatible, multi-master, multi-media network
HL7 Inspector is a tool for managing HL7 messages
Sundew:a tcp/ip WMO switch, Sarracenia: next gen transfer engine.
A free Java KNX network library
Cross-platform C++ libraries with a network/internet focus.
.NET project for financial messages interchange supporting ISO 8583
IP Multicast Reliable Publish - Subscribe API (Java and Linux C++)
dhcpd.conf generator
FIX engine library for .NET