iperf3: A TCP, UDP, and SCTP network bandwidth measurement tool
Device OS (Firmware) for particle devices
DNP3 Outstation and client simulator, Source code Library, win, Linux
Very fast network stress tool
High capacity syslog data collection, filtering, and management.
tcptrace analyzes packet tcp connections and provides analysis
Simple software for port forwarding and routing w/o a hardware router
Xplico is a Network Forensic Analysis Tool (NFAT)
PCAP from another point of view
Allows executing code on MIPS32 EmbeddedLinux devices (WLAN routers)
IPv4/IPv6 TCP Echo Server scaling to 100.000+ concurrent sessions