Valgrind is a GPL'd system for debugging and profiling Linux programs. With Valgrind's tool suite you can automatically detect many memory management and threading bugs, avoiding hours of frustrating bug-hunting, making your programs more stable. You can also perform detailed profiling to help speed up your programs. The Valgrind distribution includes the following debugging and profiling tools:
LoadRunner Interview Questions 1) Which protocols are supported by Loadrunner ? 2) Which components have you used in Loadrunner ? 3) What is load runner Agent. 4) How many VUsers are required for load testing ?
Browsershots makes screenshots of your web design in different operating systems and browsers. It is a free open-source online web application providing developers a convenient way to test their website's browser compatibility in one place. When you submit your web address, it will be added to the job queue. A number of distributed computers will open your website in their browser. Then they will make screenshots and upload them to our central dedicated server for your review.