ZMap is a fast single packet network scanner for network surveys
Set of tools to audit SIP based VoIP Systems
A collection of Python classes for working with network protocols
A network load-balancer implementation for Kubernetes
One hundred command line tools in a small and portable binary.
Development toolkit for Web Services and XML data bindings for C & C++
SCADA HMI for substations, IoT and automation applications
A MIDI Network Gateway via UDP/IP Multicast
32/64 bit multi-platform Modbus communication library
Pure Java Network Tools
Tiny Echo Server, a C-code demonstration of Echo Service (RFC 862).
OpenDDS is open source publish/subscribe middleware
DNP3 Outstation and client simulator, Source code Library, win, Linux
Ethr is a comprehensive network measurement tool for TCP, UDP & ICMP
Real Time Tcp/Ip Stack Library
A simple C++11 network server framework
Middleware for distributed applications
Deploys a syslog server with CLI and GUI tools.
Open Source for Internet of Things
Hexadecimal and raw packet injector and sniffer.
Various TCP/IP servers, clients and network management tools
linux distro for anonymized penetration based on Kali and TAILS
Proxies data from stdin/stdout/stderr and logs it in pcap files.