BURning Greenhouse is a stresstest-tool for application-server and web-server. The programm simply sends http-requests to the server and analyses the response. BURning Greenhouse claimes to do this until the capacity of the server is reached.
DTM DB Stress is a utility for stress testing the server parts of information systems and applications, as well as DBMSs and servers themselves. The program is useful for any information system developer or any QA department employee.