iperf - A TCP, UDP, and SCTP network bandwidth measurement tool
Qualys - Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
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...
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
TamoSoft Throughput Test - TamoSoft Throughput Test is a utility for testing the performance of a wireless or wired network.
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...