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.
webserver, benchmark, HTTP, load, load testing, monitoring, network, performance, server, server benchmark,

 2)   WAPT 3.0
WAPT is a load and stress testing tool for web sites and intranet applications with web interface. Accurate load simulation, run-time test data generation, recording and playback of secure HTTPS requests, clear graphs and reports, and more.
load, testing, tool, stress, test, application, site, performance, site, software,

 3)   AdventNet QEngine WebTest 5.4
AdventNet QEngine WebTest - An extensive, platform independent Web testing tools used for Web Functionality testing and Web Performance testing of Web applications developed using HTML, JSP, ASP, .NET, PHP, JavaScript/VBScript, e-commerce, etc.,
Load Test, Load Testing, Web Performance Testing, Web Functional Testing, Distributed Load Testing, API Testing, Web Testing, Web Application Testing, Record and Playback, Functional Testing,

 4)   WebPartner Test and Performance Center 3.00.308
Performs scheduled Stress and Load Testing by executing multiple HTTP/HTTPS/XML/SOAP web transactions simulating your customer's actions. Critical performance data is captured and results are graphically reported via online display or email.
stress test, load testing, monitoring, javascript, web application, web services, website, site, tool, HTTP,

 5)   vPerformer 1.0
vPerformer can be used assess the performance and scalability of web applications. vPerformer reveals the behavior of your web application when it is subject to a large load.
load testing, performance testing, automated testing, quality assurance, scalability, software testing, software quality assurance,