You should have a look at www.opensta.org. Open Performance testing tools. What are you looking at testing?.
Trevor
|------|____________________________________|------| ( >- / Scaling FreeSoftware & OpenSource \ -< ) /~\ / In the Enterprise \ /~\ | ) \ | www.fsf.org | www.opensource.org | / (/ | |_|_ ____________________________________/ _|_|
__________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com