1)   Webserver Stress Tool 7.1.1.229
Webserver Stress Tool is a powerful HTTP client/server test application, designed to pinpoint critical performance issues in your web site or web server that may prevent optimal experience for your site's visitors. Supports SSL.

 2)   Web Essence 2.3
Benchmarks/Compares Web Server performance for static/dynamic workloads. Multi-machine Client configuration, each simulating 1000+ clients. Auto generates configurable workload file.Displays/prints results in 3D.