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.
JPerf - This project gives a better UI and new functionalities to the initial JPerf 1.
Burp Suite - Burp Suite is an integrated platform for performing security testing of web applications.
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.
OpenVAS - The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools...