ZMap is a fast single packet network scanner for network surveys
Pure Java Network Tools
One hundred command line tools in a small and portable binary.
SCADA HMI for substations, IoT and automation applications
OpenDDS is open source publish/subscribe middleware
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
Proxies data from stdin/stdout/stderr and logs it in pcap files.