Microsoft announces the release of their all new open-source testing tool for JavaScript frameworks and libraries, BrowserSwarm. Designed to assist developers with a fully automated testing tool for their JavaScript frameworks and libraries, BrowserSwarm provides testing across devices and browsers all in a single link. Microsoft worked with both AppendTo and Sauce Labs to help developers save time with setting up multiple browser environments and devices for testing, plus server resources since the tool and the resources are now in the cloud. Check it out right here.