The SoapUI download has moved to https://www.soapui.org/downloads/soapui/source-forge.html
With more than 9 million downloads SoapUI is the de-facto standard for REST and SOAP API functional, security and performance testing.
jLlama is a desktop application to monitor servers over SSH. Any figure retrieved from the command line can be polled and graphed in real time. Out of the box, jLlama can graph CPU and Memory usage for Linux and Solaris servers.