JBlitz Pro is a multi-threaded, multi-page website stress and load test tool. JBlitz Pro exercises critical pathways on your site using 100s of threads to simulate multiple concurrent users. features includes cookie support, performance monitoring, auto error detection, fine grained thread control, built in logging, error string searching, graphing and thread activity display. HTTP request headers are fully configurable, and you can view returned web pages along with their headers. The program is great for resilience testing dynamic sites with eg CGI, ASP, JSP, database access etc. JBlitz Pro also supports for XML over HTTP.

The license of this software is Free Trial Software, the price is $60.00, you can free download and get a free trial.