High performance ping tool
Free open source tool for real-time PC hardware sensor monitoring
A Swiss army knife for your daily Linux network plumbing
eBPF-based Linux kernel networking debugger
Linux networking base tools
Manage and interpret IPMI systems with common a software tool
ICMP-based network bandwidth measurement tool
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Very fast network stress tool
High capacity syslog data collection, filtering, and management.
Command line tool for managing Amazon S3 and CloudFront services
Web application firewall in C language uses libevent
Connector for misconfigured hosts on LAN.
allows connecting to hosts behind firewalls and NAT
repair corrupted pcap and pcapng files
tcptrace analyzes packet tcp connections and provides analysis
Xplico is a Network Forensic Analysis Tool (NFAT)
PCAP from another point of view