Description from the publisher
vPerformer is a web performance and load testing tool that can be used to assess the performance and scalability of your web applications. vPerformer allows you to evaluate the response of your web application when it is concurrently accessed by a large number of concurrent virtual users. These virtual users can be run either on your own servers or in the cloud.
Other products of this publisher
vManage allows you to organize and manage your overall testing process.
vTest is a web automated testing tool