Proxy Tester is a proxy list tester and then it generates a wpad.dat file you can use for your browser based on working servers. wpad.dat file selects a random proxy server from the list of provided working proxy servers with each connection request.
A commercially supported, open-source distribution of the popular web application test automation tool Selenium Remote Control. Built by the original author of the Selenium, Sauce RC is easy to install and has the latest fixes and browser support.
Syncopate is an extension module to the Apache JMeter testing tool. It enhances JMeter's HTTP proxy server by adding functionality to extract variables and create assertions during HTTP request recording.