I have a situation where i need to perform load/performance testing (25-30 virtual users) on a client/server desktop application. Please advise if there is any tool that can do the job (preferably freeware or cheaper option than big guns out there).
Options depend upon the achitecture of your client server application. What is the client+1 tier presentation layer API in use? Answering that question will expose what tools support this API and then what options you have.