iperf - A TCP, UDP, and SCTP network bandwidth measurement tool
vnStat - vnStat is a console-based network traffic monitor for Linux and BSD that keeps a log of network...
netperf - Netperf is a benchmark that can be used to measure the performance of many different types of networking. It provides tests for both unidirectional throughput, and end-to-end latency. - HewlettPack...
darkstat - darkstat is a packet sniffer which runs as a background process, captures network traffic...
NetStress - NetStress is a user-friendly benchmarking tool that is mostly used by networking professionals to measure the network performance of both wired and wireless connections.
ntop - ntopng High-Speed Web-based Traffic Analysis and Flow Collection ntopng is the next generation version of the original ntop, a network traffic probe that monitors network usage. ntopng is based on …